12991260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5281}}^1$

素因数の和:5334

約数の個数: 48

約数和(自身を含む): 37269792

約数和(自身を除く): 24278532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 5281, 10562, 15843, 21124, 26405, 31686, 52810, 63372, 79215, 105620, 158430, 216521, 316860, 433042, 649563, 866084, 1082605, 1299126, 2165210, 2598252, 3247815, 4330420, 6495630, 12991260]

約数ペア:

[(1, 12991260), (2, 6495630), (3, 4330420), (4, 3247815), (5, 2598252), (6, 2165210), (10, 1299126), (12, 1082605), (15, 866084), (20, 649563), (30, 433042), (41, 316860), (60, 216521), (82, 158430), (123, 105620), (164, 79215), (205, 63372), (246, 52810), (410, 31686), (492, 26405), (615, 21124), (820, 15843), (1230, 10562), (2460, 5281)]