72641680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1723}}^1$

素因数の和:1784

約数の個数: 80

約数和(自身を含む): 184702464

約数和(自身を除く): 112060784

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 1723, 2108, 2480, 2635, 3446, 4216, 5270, 6892, 8432, 8615, 10540, 13784, 17230, 21080, 27568, 29291, 34460, 42160, 53413, 58582, 68920, 106826, 117164, 137840, 146455, 213652, 234328, 267065, 292910, 427304, 468656, 534130, 585820, 854608, 908021, 1068260, 1171640, 1816042, 2136520, 2343280, 3632084, 4273040, 4540105, 7264168, 9080210, 14528336, 18160420, 36320840, 72641680]

約数ペア:

[(1, 72641680), (2, 36320840), (4, 18160420), (5, 14528336), (8, 9080210), (10, 7264168), (16, 4540105), (17, 4273040), (20, 3632084), (31, 2343280), (34, 2136520), (40, 1816042), (62, 1171640), (68, 1068260), (80, 908021), (85, 854608), (124, 585820), (136, 534130), (155, 468656), (170, 427304), (248, 292910), (272, 267065), (310, 234328), (340, 213652), (496, 146455), (527, 137840), (620, 117164), (680, 106826), (1054, 68920), (1240, 58582), (1360, 53413), (1723, 42160), (2108, 34460), (2480, 29291), (2635, 27568), (3446, 21080), (4216, 17230), (5270, 13784), (6892, 10540), (8432, 8615)]