105820120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19891}}^1$

素因数の和:19928

約数の個数: 64

約数和(自身を含む): 286444800

約数和(自身を除く): 180624680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 19891, 39782, 79564, 99455, 139237, 159128, 198910, 278474, 377929, 397820, 556948, 696185, 755858, 795640, 1113896, 1392370, 1511716, 1889645, 2645503, 2784740, 3023432, 3779290, 5291006, 5569480, 7558580, 10582012, 13227515, 15117160, 21164024, 26455030, 52910060, 105820120]

約数ペア:

[(1, 105820120), (2, 52910060), (4, 26455030), (5, 21164024), (7, 15117160), (8, 13227515), (10, 10582012), (14, 7558580), (19, 5569480), (20, 5291006), (28, 3779290), (35, 3023432), (38, 2784740), (40, 2645503), (56, 1889645), (70, 1511716), (76, 1392370), (95, 1113896), (133, 795640), (140, 755858), (152, 696185), (190, 556948), (266, 397820), (280, 377929), (380, 278474), (532, 198910), (665, 159128), (760, 139237), (1064, 99455), (1330, 79564), (2660, 39782), (5320, 19891)]