1276860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1637}}^1$

素因数の和:1662

約数の個数: 48

約数和(自身を含む): 3852576

約数和(自身を除く): 2575716

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, 1637, 3274, 4911, 6548, 8185, 9822, 16370, 19644, 21281, 24555, 32740, 42562, 49110, 63843, 85124, 98220, 106405, 127686, 212810, 255372, 319215, 425620, 638430, 1276860]

約数ペア:

[(1, 1276860), (2, 638430), (3, 425620), (4, 319215), (5, 255372), (6, 212810), (10, 127686), (12, 106405), (13, 98220), (15, 85124), (20, 63843), (26, 49110), (30, 42562), (39, 32740), (52, 24555), (60, 21281), (65, 19644), (78, 16370), (130, 9822), (156, 8185), (195, 6548), (260, 4911), (390, 3274), (780, 1637)]