83461980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{198719}}^1$

素因数の和:198738

約数の個数: 48

約数和(自身を含む): 267079680

約数和(自身を除く): 183617700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 198719, 397438, 596157, 794876, 993595, 1192314, 1391033, 1987190, 2384628, 2782066, 2980785, 3974380, 4173099, 5564132, 5961570, 6955165, 8346198, 11923140, 13910330, 16692396, 20865495, 27820660, 41730990, 83461980]

約数ペア:

[(1, 83461980), (2, 41730990), (3, 27820660), (4, 20865495), (5, 16692396), (6, 13910330), (7, 11923140), (10, 8346198), (12, 6955165), (14, 5961570), (15, 5564132), (20, 4173099), (21, 3974380), (28, 2980785), (30, 2782066), (35, 2384628), (42, 1987190), (60, 1391033), (70, 1192314), (84, 993595), (105, 794876), (140, 596157), (210, 397438), (420, 198719)]