89997540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2879}}^1$

素因数の和:3412

約数の個数: 48

約数和(自身を含む): 252564480

約数和(自身を除く): 162566940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 521, 1042, 1563, 2084, 2605, 2879, 3126, 5210, 5758, 6252, 7815, 8637, 10420, 11516, 14395, 15630, 17274, 28790, 31260, 34548, 43185, 57580, 86370, 172740, 1499959, 2999918, 4499877, 5999836, 7499795, 8999754, 14999590, 17999508, 22499385, 29999180, 44998770, 89997540]

約数ペア:

[(1, 89997540), (2, 44998770), (3, 29999180), (4, 22499385), (5, 17999508), (6, 14999590), (10, 8999754), (12, 7499795), (15, 5999836), (20, 4499877), (30, 2999918), (60, 1499959), (521, 172740), (1042, 86370), (1563, 57580), (2084, 43185), (2605, 34548), (2879, 31260), (3126, 28790), (5210, 17274), (5758, 15630), (6252, 14395), (7815, 11516), (8637, 10420)]