1680770640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2141}}^1\times {\mathrm{3271}}^1$

素因数の和:5428

約数の個数: 80

約数和(自身を含む): 5214416256

約数和(自身を除く): 3533645616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2141, 3271, 4282, 6423, 6542, 8564, 9813, 10705, 12846, 13084, 16355, 17128, 19626, 21410, 25692, 26168, 32115, 32710, 34256, 39252, 42820, 49065, 51384, 52336, 64230, 65420, 78504, 85640, 98130, 102768, 128460, 130840, 157008, 171280, 196260, 256920, 261680, 392520, 513840, 785040, 7003211, 14006422, 21009633, 28012844, 35016055, 42019266, 56025688, 70032110, 84038532, 105048165, 112051376, 140064220, 168077064, 210096330, 280128440, 336154128, 420192660, 560256880, 840385320, 1680770640]

約数ペア:

[(1, 1680770640), (2, 840385320), (3, 560256880), (4, 420192660), (5, 336154128), (6, 280128440), (8, 210096330), (10, 168077064), (12, 140064220), (15, 112051376), (16, 105048165), (20, 84038532), (24, 70032110), (30, 56025688), (40, 42019266), (48, 35016055), (60, 28012844), (80, 21009633), (120, 14006422), (240, 7003211), (2141, 785040), (3271, 513840), (4282, 392520), (6423, 261680), (6542, 256920), (8564, 196260), (9813, 171280), (10705, 157008), (12846, 130840), (13084, 128460), (16355, 102768), (17128, 98130), (19626, 85640), (21410, 78504), (25692, 65420), (26168, 64230), (32115, 52336), (32710, 51384), (34256, 49065), (39252, 42820)]