31056156920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1699}}^1\times {\mathrm{26881}}^1$

素因数の和:28608

約数の個数: 64

約数和(自身を含む): 74033028000

約数和(自身を除く): 42976871080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1699, 3398, 6796, 8495, 13592, 16990, 26881, 28883, 33980, 53762, 57766, 67960, 107524, 115532, 134405, 144415, 215048, 231064, 268810, 288830, 456977, 537620, 577660, 913954, 1075240, 1155320, 1827908, 2284885, 3655816, 4569770, 9139540, 18279080, 45670819, 91341638, 182683276, 228354095, 365366552, 456708190, 776403923, 913416380, 1552807846, 1826832760, 3105615692, 3882019615, 6211231384, 7764039230, 15528078460, 31056156920]

約数ペア:

[(1, 31056156920), (2, 15528078460), (4, 7764039230), (5, 6211231384), (8, 3882019615), (10, 3105615692), (17, 1826832760), (20, 1552807846), (34, 913416380), (40, 776403923), (68, 456708190), (85, 365366552), (136, 228354095), (170, 182683276), (340, 91341638), (680, 45670819), (1699, 18279080), (3398, 9139540), (6796, 4569770), (8495, 3655816), (13592, 2284885), (16990, 1827908), (26881, 1155320), (28883, 1075240), (33980, 913954), (53762, 577660), (57766, 537620), (67960, 456977), (107524, 288830), (115532, 268810), (134405, 231064), (144415, 215048)]