30671960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{69709}}^1$

素因数の和:69731

約数の個数: 32

約数和(自身を含む): 75286800

約数和(自身を除く): 44614840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 69709, 139418, 278836, 348545, 557672, 697090, 766799, 1394180, 1533598, 2788360, 3067196, 3833995, 6134392, 7667990, 15335980, 30671960]

約数ペア:

[(1, 30671960), (2, 15335980), (4, 7667990), (5, 6134392), (8, 3833995), (10, 3067196), (11, 2788360), (20, 1533598), (22, 1394180), (40, 766799), (44, 697090), (55, 557672), (88, 348545), (110, 278836), (220, 139418), (440, 69709)]