81307680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{727}}^1$

素因数の和:978

約数の個数: 96

約数和(自身を含む): 257572224

約数和(自身を除く): 176264544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 233, 240, 466, 480, 699, 727, 932, 1165, 1398, 1454, 1864, 2181, 2330, 2796, 2908, 3495, 3635, 3728, 4362, 4660, 5592, 5816, 6990, 7270, 7456, 8724, 9320, 10905, 11184, 11632, 13980, 14540, 17448, 18640, 21810, 22368, 23264, 27960, 29080, 34896, 37280, 43620, 55920, 58160, 69792, 87240, 111840, 116320, 169391, 174480, 338782, 348960, 508173, 677564, 846955, 1016346, 1355128, 1693910, 2032692, 2540865, 2710256, 3387820, 4065384, 5081730, 5420512, 6775640, 8130768, 10163460, 13551280, 16261536, 20326920, 27102560, 40653840, 81307680]

約数ペア:

[(1, 81307680), (2, 40653840), (3, 27102560), (4, 20326920), (5, 16261536), (6, 13551280), (8, 10163460), (10, 8130768), (12, 6775640), (15, 5420512), (16, 5081730), (20, 4065384), (24, 3387820), (30, 2710256), (32, 2540865), (40, 2032692), (48, 1693910), (60, 1355128), (80, 1016346), (96, 846955), (120, 677564), (160, 508173), (233, 348960), (240, 338782), (466, 174480), (480, 169391), (699, 116320), (727, 111840), (932, 87240), (1165, 69792), (1398, 58160), (1454, 55920), (1864, 43620), (2181, 37280), (2330, 34896), (2796, 29080), (2908, 27960), (3495, 23264), (3635, 22368), (3728, 21810), (4362, 18640), (4660, 17448), (5592, 14540), (5816, 13980), (6990, 11632), (7270, 11184), (7456, 10905), (8724, 9320)]