15105640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3121}}^1$

素因数の和:3154

約数の個数: 48

約数和(自身を含む): 37370340

約数和(自身を除く): 22264700

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 3121, 4840, 6242, 12484, 15605, 24968, 31210, 34331, 62420, 68662, 124840, 137324, 171655, 274648, 343310, 377641, 686620, 755282, 1373240, 1510564, 1888205, 3021128, 3776410, 7552820, 15105640]

約数ペア:

[(1, 15105640), (2, 7552820), (4, 3776410), (5, 3021128), (8, 1888205), (10, 1510564), (11, 1373240), (20, 755282), (22, 686620), (40, 377641), (44, 343310), (55, 274648), (88, 171655), (110, 137324), (121, 124840), (220, 68662), (242, 62420), (440, 34331), (484, 31210), (605, 24968), (968, 15605), (1210, 12484), (2420, 6242), (3121, 4840)]