87180804

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{409}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 229232640

約数和(自身を除く): 142051836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 191, 279, 372, 382, 409, 558, 573, 764, 818, 1116, 1146, 1227, 1636, 1719, 2292, 2454, 3438, 3681, 4908, 5921, 6876, 7362, 11842, 12679, 14724, 17763, 23684, 25358, 35526, 38037, 50716, 53289, 71052, 76074, 78119, 106578, 114111, 152148, 156238, 213156, 228222, 234357, 312476, 456444, 468714, 703071, 937428, 1406142, 2421689, 2812284, 4843378, 7265067, 9686756, 14530134, 21795201, 29060268, 43590402, 87180804]

約数ペア:

[(1, 87180804), (2, 43590402), (3, 29060268), (4, 21795201), (6, 14530134), (9, 9686756), (12, 7265067), (18, 4843378), (31, 2812284), (36, 2421689), (62, 1406142), (93, 937428), (124, 703071), (186, 468714), (191, 456444), (279, 312476), (372, 234357), (382, 228222), (409, 213156), (558, 156238), (573, 152148), (764, 114111), (818, 106578), (1116, 78119), (1146, 76074), (1227, 71052), (1636, 53289), (1719, 50716), (2292, 38037), (2454, 35526), (3438, 25358), (3681, 23684), (4908, 17763), (5921, 14724), (6876, 12679), (7362, 11842)]