31854760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3923}}^1$

素因数の和:3970

約数の個数: 64

約数和(自身を含む): 84758400

約数和(自身を除く): 52903640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 3923, 4060, 7846, 8120, 15692, 19615, 27461, 31384, 39230, 54922, 78460, 109844, 113767, 137305, 156920, 219688, 227534, 274610, 455068, 549220, 568835, 796369, 910136, 1098440, 1137670, 1592738, 2275340, 3185476, 3981845, 4550680, 6370952, 7963690, 15927380, 31854760]

約数ペア:

[(1, 31854760), (2, 15927380), (4, 7963690), (5, 6370952), (7, 4550680), (8, 3981845), (10, 3185476), (14, 2275340), (20, 1592738), (28, 1137670), (29, 1098440), (35, 910136), (40, 796369), (56, 568835), (58, 549220), (70, 455068), (116, 274610), (140, 227534), (145, 219688), (203, 156920), (232, 137305), (280, 113767), (290, 109844), (406, 78460), (580, 54922), (812, 39230), (1015, 31384), (1160, 27461), (1624, 19615), (2030, 15692), (3923, 8120), (4060, 7846)]