15207280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1571}}^1$

素因数の和:1606

約数の個数: 60

約数和(自身を含む): 38888136

約数和(自身を除く): 23680856

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1571, 1936, 2420, 3142, 4840, 6284, 7855, 9680, 12568, 15710, 17281, 25136, 31420, 34562, 62840, 69124, 86405, 125680, 138248, 172810, 190091, 276496, 345620, 380182, 691240, 760364, 950455, 1382480, 1520728, 1900910, 3041456, 3801820, 7603640, 15207280]

約数ペア:

[(1, 15207280), (2, 7603640), (4, 3801820), (5, 3041456), (8, 1900910), (10, 1520728), (11, 1382480), (16, 950455), (20, 760364), (22, 691240), (40, 380182), (44, 345620), (55, 276496), (80, 190091), (88, 172810), (110, 138248), (121, 125680), (176, 86405), (220, 69124), (242, 62840), (440, 34562), (484, 31420), (605, 25136), (880, 17281), (968, 15710), (1210, 12568), (1571, 9680), (1936, 7855), (2420, 6284), (3142, 4840)]