156776720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{6781}}^1$

素因数の和:6828

約数の個数: 60

約数和(自身を含む): 387265764

約数和(自身を除く): 230489044

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1156, 1360, 1445, 2312, 2890, 4624, 5780, 6781, 11560, 13562, 23120, 27124, 33905, 54248, 67810, 108496, 115277, 135620, 230554, 271240, 461108, 542480, 576385, 922216, 1152770, 1844432, 1959709, 2305540, 3919418, 4611080, 7838836, 9222160, 9798545, 15677672, 19597090, 31355344, 39194180, 78388360, 156776720]

約数ペア:

[(1, 156776720), (2, 78388360), (4, 39194180), (5, 31355344), (8, 19597090), (10, 15677672), (16, 9798545), (17, 9222160), (20, 7838836), (34, 4611080), (40, 3919418), (68, 2305540), (80, 1959709), (85, 1844432), (136, 1152770), (170, 922216), (272, 576385), (289, 542480), (340, 461108), (578, 271240), (680, 230554), (1156, 135620), (1360, 115277), (1445, 108496), (2312, 67810), (2890, 54248), (4624, 33905), (5780, 27124), (6781, 23120), (11560, 13562)]