1405140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2129}}^1$

素因数の和:2152

約数の個数: 48

約数和(自身を含む): 4294080

約数和(自身を除く): 2888940

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 2129, 4258, 6387, 8516, 10645, 12774, 21290, 23419, 25548, 31935, 42580, 46838, 63870, 70257, 93676, 117095, 127740, 140514, 234190, 281028, 351285, 468380, 702570, 1405140]

約数ペア:

[(1, 1405140), (2, 702570), (3, 468380), (4, 351285), (5, 281028), (6, 234190), (10, 140514), (11, 127740), (12, 117095), (15, 93676), (20, 70257), (22, 63870), (30, 46838), (33, 42580), (44, 31935), (55, 25548), (60, 23419), (66, 21290), (110, 12774), (132, 10645), (165, 8516), (220, 6387), (330, 4258), (660, 2129)]