18310365640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{438887}}^1$

素因数の和:439054

約数の個数: 64

約数和(自身を含む): 47399904000

約数和(自身を除く): 29089538360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2086, 2980, 4172, 5215, 5960, 8344, 10430, 20860, 41720, 438887, 877774, 1755548, 2194435, 3072209, 3511096, 4388870, 6144418, 8777740, 12288836, 15361045, 17555480, 24577672, 30722090, 61444180, 65394163, 122888360, 130788326, 261576652, 326970815, 457759141, 523153304, 653941630, 915518282, 1307883260, 1831036564, 2288795705, 2615766520, 3662073128, 4577591410, 9155182820, 18310365640]

約数ペア:

[(1, 18310365640), (2, 9155182820), (4, 4577591410), (5, 3662073128), (7, 2615766520), (8, 2288795705), (10, 1831036564), (14, 1307883260), (20, 915518282), (28, 653941630), (35, 523153304), (40, 457759141), (56, 326970815), (70, 261576652), (140, 130788326), (149, 122888360), (280, 65394163), (298, 61444180), (596, 30722090), (745, 24577672), (1043, 17555480), (1192, 15361045), (1490, 12288836), (2086, 8777740), (2980, 6144418), (4172, 4388870), (5215, 3511096), (5960, 3072209), (8344, 2194435), (10430, 1755548), (20860, 877774), (41720, 438887)]