15622620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20029}}^1$

素因数の和:20054

約数の個数: 48

約数和(自身を含む): 47110560

約数和(自身を除く): 31487940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 20029, 40058, 60087, 80116, 100145, 120174, 200290, 240348, 260377, 300435, 400580, 520754, 600870, 781131, 1041508, 1201740, 1301885, 1562262, 2603770, 3124524, 3905655, 5207540, 7811310, 15622620]

約数ペア:

[(1, 15622620), (2, 7811310), (3, 5207540), (4, 3905655), (5, 3124524), (6, 2603770), (10, 1562262), (12, 1301885), (13, 1201740), (15, 1041508), (20, 781131), (26, 600870), (30, 520754), (39, 400580), (52, 300435), (60, 260377), (65, 240348), (78, 200290), (130, 120174), (156, 100145), (195, 80116), (260, 60087), (390, 40058), (780, 20029)]