81469740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{123439}}^1$

素因数の和:123462

約数の個数: 48

約数和(自身を含む): 248855040

約数和(自身を除く): 167385300

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, 123439, 246878, 370317, 493756, 617195, 740634, 1234390, 1357829, 1481268, 1851585, 2468780, 2715658, 3703170, 4073487, 5431316, 6789145, 7406340, 8146974, 13578290, 16293948, 20367435, 27156580, 40734870, 81469740]

約数ペア:

[(1, 81469740), (2, 40734870), (3, 27156580), (4, 20367435), (5, 16293948), (6, 13578290), (10, 8146974), (11, 7406340), (12, 6789145), (15, 5431316), (20, 4073487), (22, 3703170), (30, 2715658), (33, 2468780), (44, 1851585), (55, 1481268), (60, 1357829), (66, 1234390), (110, 740634), (132, 617195), (165, 493756), (220, 370317), (330, 246878), (660, 123439)]