15661420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 35356608

約数和(自身を除く): 19695188

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 292, 340, 365, 631, 730, 1241, 1262, 1460, 2482, 2524, 3155, 4964, 6205, 6310, 10727, 12410, 12620, 21454, 24820, 42908, 46063, 53635, 92126, 107270, 184252, 214540, 230315, 460630, 783071, 921260, 1566142, 3132284, 3915355, 7830710, 15661420]

約数ペア:

[(1, 15661420), (2, 7830710), (4, 3915355), (5, 3132284), (10, 1566142), (17, 921260), (20, 783071), (34, 460630), (68, 230315), (73, 214540), (85, 184252), (146, 107270), (170, 92126), (292, 53635), (340, 46063), (365, 42908), (631, 24820), (730, 21454), (1241, 12620), (1262, 12410), (1460, 10727), (2482, 6310), (2524, 6205), (3155, 4964)]