90304240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2801}}^1$

素因数の和:2858

約数の個数: 80

約数和(自身を含む): 233485056

約数和(自身を除く): 143180816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 2801, 3224, 4030, 5602, 6448, 8060, 11204, 14005, 16120, 22408, 28010, 32240, 36413, 44816, 56020, 72826, 86831, 112040, 145652, 173662, 182065, 224080, 291304, 347324, 364130, 434155, 582608, 694648, 728260, 868310, 1128803, 1389296, 1456520, 1736620, 2257606, 2913040, 3473240, 4515212, 5644015, 6946480, 9030424, 11288030, 18060848, 22576060, 45152120, 90304240]

約数ペア:

[(1, 90304240), (2, 45152120), (4, 22576060), (5, 18060848), (8, 11288030), (10, 9030424), (13, 6946480), (16, 5644015), (20, 4515212), (26, 3473240), (31, 2913040), (40, 2257606), (52, 1736620), (62, 1456520), (65, 1389296), (80, 1128803), (104, 868310), (124, 728260), (130, 694648), (155, 582608), (208, 434155), (248, 364130), (260, 347324), (310, 291304), (403, 224080), (496, 182065), (520, 173662), (620, 145652), (806, 112040), (1040, 86831), (1240, 72826), (1612, 56020), (2015, 44816), (2480, 36413), (2801, 32240), (3224, 28010), (4030, 22408), (5602, 16120), (6448, 14005), (8060, 11204)]