1915290

素因数分解:

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

素因数の和:1663

約数の個数: 48

約数和(自身を含む): 5366088

約数和(自身を除く): 3450798

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 1637, 3274, 4911, 8185, 9822, 14733, 16370, 21281, 24555, 29466, 42562, 49110, 63843, 73665, 106405, 127686, 147330, 191529, 212810, 319215, 383058, 638430, 957645, 1915290]

約数ペア:

[(1, 1915290), (2, 957645), (3, 638430), (5, 383058), (6, 319215), (9, 212810), (10, 191529), (13, 147330), (15, 127686), (18, 106405), (26, 73665), (30, 63843), (39, 49110), (45, 42562), (65, 29466), (78, 24555), (90, 21281), (117, 16370), (130, 14733), (195, 9822), (234, 8185), (390, 4911), (585, 3274), (1170, 1637)]