90808980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79657}}^1$

素因数の和:79688

約数の個数: 48

約数和(自身を含む): 267650880

約数和(自身を除く): 176841900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 79657, 159314, 238971, 318628, 398285, 477942, 796570, 955884, 1194855, 1513483, 1593140, 2389710, 3026966, 4540449, 4779420, 6053932, 7567415, 9080898, 15134830, 18161796, 22702245, 30269660, 45404490, 90808980]

約数ペア:

[(1, 90808980), (2, 45404490), (3, 30269660), (4, 22702245), (5, 18161796), (6, 15134830), (10, 9080898), (12, 7567415), (15, 6053932), (19, 4779420), (20, 4540449), (30, 3026966), (38, 2389710), (57, 1593140), (60, 1513483), (76, 1194855), (95, 955884), (114, 796570), (190, 477942), (228, 398285), (285, 318628), (380, 238971), (570, 159314), (1140, 79657)]