156408640

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15767}}^1$

素因数の和:15815

約数の個数: 56

約数和(自身を含む): 384486912

約数和(自身を除く): 228078272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 15767, 31534, 63068, 78835, 126136, 157670, 252272, 315340, 488777, 504544, 630680, 977554, 1009088, 1261360, 1955108, 2443885, 2522720, 3910216, 4887770, 5045440, 7820432, 9775540, 15640864, 19551080, 31281728, 39102160, 78204320, 156408640]

約数ペア:

[(1, 156408640), (2, 78204320), (4, 39102160), (5, 31281728), (8, 19551080), (10, 15640864), (16, 9775540), (20, 7820432), (31, 5045440), (32, 4887770), (40, 3910216), (62, 2522720), (64, 2443885), (80, 1955108), (124, 1261360), (155, 1009088), (160, 977554), (248, 630680), (310, 504544), (320, 488777), (496, 315340), (620, 252272), (992, 157670), (1240, 126136), (1984, 78835), (2480, 63068), (4960, 31534), (9920, 15767)]