80466680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3229}}^1$

素因数の和:3336

約数の個数: 64

約数和(自身を含む): 209304000

約数和(自身を除く): 128837320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 3115, 3229, 3560, 4984, 6230, 6458, 12460, 12916, 16145, 22603, 24920, 25832, 32290, 45206, 64580, 90412, 113015, 129160, 180824, 226030, 287381, 452060, 574762, 904120, 1149524, 1436905, 2011667, 2299048, 2873810, 4023334, 5747620, 8046668, 10058335, 11495240, 16093336, 20116670, 40233340, 80466680]

約数ペア:

[(1, 80466680), (2, 40233340), (4, 20116670), (5, 16093336), (7, 11495240), (8, 10058335), (10, 8046668), (14, 5747620), (20, 4023334), (28, 2873810), (35, 2299048), (40, 2011667), (56, 1436905), (70, 1149524), (89, 904120), (140, 574762), (178, 452060), (280, 287381), (356, 226030), (445, 180824), (623, 129160), (712, 113015), (890, 90412), (1246, 64580), (1780, 45206), (2492, 32290), (3115, 25832), (3229, 24920), (3560, 22603), (4984, 16145), (6230, 12916), (6458, 12460)]