123477640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21587}}^1$

素因数の和:21622

約数の個数: 64

約数和(自身を含む): 326410560

約数和(自身を除く): 202932920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 21587, 43174, 86348, 107935, 172696, 215870, 237457, 280631, 431740, 474914, 561262, 863480, 949828, 1122524, 1187285, 1403155, 1899656, 2245048, 2374570, 2806310, 3086941, 4749140, 5612620, 6173882, 9498280, 11225240, 12347764, 15434705, 24695528, 30869410, 61738820, 123477640]

約数ペア:

[(1, 123477640), (2, 61738820), (4, 30869410), (5, 24695528), (8, 15434705), (10, 12347764), (11, 11225240), (13, 9498280), (20, 6173882), (22, 5612620), (26, 4749140), (40, 3086941), (44, 2806310), (52, 2374570), (55, 2245048), (65, 1899656), (88, 1403155), (104, 1187285), (110, 1122524), (130, 949828), (143, 863480), (220, 561262), (260, 474914), (286, 431740), (440, 280631), (520, 237457), (572, 215870), (715, 172696), (1144, 107935), (1430, 86348), (2860, 43174), (5720, 21587)]