261775140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{396629}}^1$

素因数の和:396652

約数の個数: 48

約数和(自身を含む): 799606080

約数和(自身を除く): 537830940

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, 396629, 793258, 1189887, 1586516, 1983145, 2379774, 3966290, 4362919, 4759548, 5949435, 7932580, 8725838, 11898870, 13088757, 17451676, 21814595, 23797740, 26177514, 43629190, 52355028, 65443785, 87258380, 130887570, 261775140]

約数ペア:

[(1, 261775140), (2, 130887570), (3, 87258380), (4, 65443785), (5, 52355028), (6, 43629190), (10, 26177514), (11, 23797740), (12, 21814595), (15, 17451676), (20, 13088757), (22, 11898870), (30, 8725838), (33, 7932580), (44, 5949435), (55, 4759548), (60, 4362919), (66, 3966290), (110, 2379774), (132, 1983145), (165, 1586516), (220, 1189887), (330, 793258), (660, 396629)]