138720920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9199}}^1$

素因数の和:9252

約数の個数: 64

約数和(自身を含む): 347760000

約数和(自身を除く): 209039080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 1160, 1508, 1885, 3016, 3770, 7540, 9199, 15080, 18398, 36796, 45995, 73592, 91990, 119587, 183980, 239174, 266771, 367960, 478348, 533542, 597935, 956696, 1067084, 1195870, 1333855, 2134168, 2391740, 2667710, 3468023, 4783480, 5335420, 6936046, 10670840, 13872092, 17340115, 27744184, 34680230, 69360460, 138720920]

約数ペア:

[(1, 138720920), (2, 69360460), (4, 34680230), (5, 27744184), (8, 17340115), (10, 13872092), (13, 10670840), (20, 6936046), (26, 5335420), (29, 4783480), (40, 3468023), (52, 2667710), (58, 2391740), (65, 2134168), (104, 1333855), (116, 1195870), (130, 1067084), (145, 956696), (232, 597935), (260, 533542), (290, 478348), (377, 367960), (520, 266771), (580, 239174), (754, 183980), (1160, 119587), (1508, 91990), (1885, 73592), (3016, 45995), (3770, 36796), (7540, 18398), (9199, 15080)]