72361690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:607

約数の個数: 64

約数和(自身を含む): 148832640

約数和(自身を除く): 76470950

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 43, 85, 86, 95, 170, 190, 215, 323, 430, 521, 646, 731, 817, 1042, 1462, 1615, 1634, 2605, 3230, 3655, 4085, 5210, 7310, 8170, 8857, 9899, 13889, 17714, 19798, 22403, 27778, 44285, 44806, 49495, 69445, 88570, 98990, 112015, 138890, 168283, 224030, 336566, 380851, 425657, 761702, 841415, 851314, 1682830, 1904255, 2128285, 3808510, 4256570, 7236169, 14472338, 36180845, 72361690]

約数ペア:

[(1, 72361690), (2, 36180845), (5, 14472338), (10, 7236169), (17, 4256570), (19, 3808510), (34, 2128285), (38, 1904255), (43, 1682830), (85, 851314), (86, 841415), (95, 761702), (170, 425657), (190, 380851), (215, 336566), (323, 224030), (430, 168283), (521, 138890), (646, 112015), (731, 98990), (817, 88570), (1042, 69445), (1462, 49495), (1615, 44806), (1634, 44285), (2605, 27778), (3230, 22403), (3655, 19798), (4085, 17714), (5210, 13889), (7310, 9899), (8170, 8857)]