77523540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1997}}^1$

素因数の和:2656

約数の個数: 48

約数和(自身を含む): 217510272

約数和(自身を除く): 139986732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 647, 1294, 1941, 1997, 2588, 3235, 3882, 3994, 5991, 6470, 7764, 7988, 9705, 9985, 11982, 12940, 19410, 19970, 23964, 29955, 38820, 39940, 59910, 119820, 1292059, 2584118, 3876177, 5168236, 6460295, 7752354, 12920590, 15504708, 19380885, 25841180, 38761770, 77523540]

約数ペア:

[(1, 77523540), (2, 38761770), (3, 25841180), (4, 19380885), (5, 15504708), (6, 12920590), (10, 7752354), (12, 6460295), (15, 5168236), (20, 3876177), (30, 2584118), (60, 1292059), (647, 119820), (1294, 59910), (1941, 39940), (1997, 38820), (2588, 29955), (3235, 23964), (3882, 19970), (3994, 19410), (5991, 12940), (6470, 11982), (7764, 9985), (7988, 9705)]