71749620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{398609}}^1$

素因数の和:398624

約数の個数: 36

約数和(自身を含む): 217641060

約数和(自身を除く): 145891440

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 398609, 797218, 1195827, 1594436, 1993045, 2391654, 3587481, 3986090, 4783308, 5979135, 7174962, 7972180, 11958270, 14349924, 17937405, 23916540, 35874810, 71749620]

約数ペア:

[(1, 71749620), (2, 35874810), (3, 23916540), (4, 17937405), (5, 14349924), (6, 11958270), (9, 7972180), (10, 7174962), (12, 5979135), (15, 4783308), (18, 3986090), (20, 3587481), (30, 2391654), (36, 1993045), (45, 1594436), (60, 1195827), (90, 797218), (180, 398609)]