158547640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4409}}^1$

素因数の和:4480

約数の個数: 64

約数和(自身を含む): 381024000

約数和(自身を除く): 222476360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 899, 1160, 1240, 1798, 3596, 4409, 4495, 7192, 8818, 8990, 17636, 17980, 22045, 35272, 35960, 44090, 88180, 127861, 136679, 176360, 255722, 273358, 511444, 546716, 639305, 683395, 1022888, 1093432, 1278610, 1366790, 2557220, 2733580, 3963691, 5114440, 5467160, 7927382, 15854764, 19818455, 31709528, 39636910, 79273820, 158547640]

約数ペア:

[(1, 158547640), (2, 79273820), (4, 39636910), (5, 31709528), (8, 19818455), (10, 15854764), (20, 7927382), (29, 5467160), (31, 5114440), (40, 3963691), (58, 2733580), (62, 2557220), (116, 1366790), (124, 1278610), (145, 1093432), (155, 1022888), (232, 683395), (248, 639305), (290, 546716), (310, 511444), (580, 273358), (620, 255722), (899, 176360), (1160, 136679), (1240, 127861), (1798, 88180), (3596, 44090), (4409, 35960), (4495, 35272), (7192, 22045), (8818, 17980), (8990, 17636)]