81040740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{122789}}^1$

素因数の和:122812

約数の個数: 48

約数和(自身を含む): 247544640

約数和(自身を除く): 166503900

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, 122789, 245578, 368367, 491156, 613945, 736734, 1227890, 1350679, 1473468, 1841835, 2455780, 2701358, 3683670, 4052037, 5402716, 6753395, 7367340, 8104074, 13506790, 16208148, 20260185, 27013580, 40520370, 81040740]

約数ペア:

[(1, 81040740), (2, 40520370), (3, 27013580), (4, 20260185), (5, 16208148), (6, 13506790), (10, 8104074), (11, 7367340), (12, 6753395), (15, 5402716), (20, 4052037), (22, 3683670), (30, 2701358), (33, 2455780), (44, 1841835), (55, 1473468), (60, 1350679), (66, 1227890), (110, 736734), (132, 613945), (165, 491156), (220, 368367), (330, 245578), (660, 122789)]