숫자 81291980
소인수분해
소인수분해 | 2 * 2 * 5 * 7 * 7 * 11 * 7541 |
약수 | 1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 7541, 10780, 15082, 30164, 37705, 52787, 75410, 82951, 105574, 150820, 165902, 211148, 263935, 331804, 369509, 414755, 527870, 580657, 739018, 829510, 1055740, 1161314, 1478036, 1659020, 1847545, 2322628, 2903285, 3695090, 4064599, 5806570, 7390180, 8129198, 11613140, 16258396, 20322995, 40645990, 81291980 |
약수의 개수 | 72 |
약수의 합 | 216666576 |
성질
표기
바이너리 | 100110110000110101011001100 |
8진수 | 466065314 |
16진수 | 4d86acc |