281030580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{520427}}^1$

素因数の和:520445

約数の個数: 48

約数和(自身を含む): 874319040

約数和(自身を除く): 593288460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 520427, 1040854, 1561281, 2081708, 2602135, 3122562, 4683843, 5204270, 6245124, 7806405, 9367686, 10408540, 14051529, 15612810, 18735372, 23419215, 28103058, 31225620, 46838430, 56206116, 70257645, 93676860, 140515290, 281030580]

約数ペア:

[(1, 281030580), (2, 140515290), (3, 93676860), (4, 70257645), (5, 56206116), (6, 46838430), (9, 31225620), (10, 28103058), (12, 23419215), (15, 18735372), (18, 15612810), (20, 14051529), (27, 10408540), (30, 9367686), (36, 7806405), (45, 6245124), (54, 5204270), (60, 4683843), (90, 3122562), (108, 2602135), (135, 2081708), (180, 1561281), (270, 1040854), (540, 520427)]