31505640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2549}}^1$

素因数の和:2666

約数の個数: 64

約数和(自身を含む): 95472000

約数和(自身を除く): 63966360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 2060, 2472, 2549, 3090, 4120, 5098, 6180, 7647, 10196, 12360, 12745, 15294, 20392, 25490, 30588, 38235, 50980, 61176, 76470, 101960, 152940, 262547, 305880, 525094, 787641, 1050188, 1312735, 1575282, 2100376, 2625470, 3150564, 3938205, 5250940, 6301128, 7876410, 10501880, 15752820, 31505640]

約数ペア:

[(1, 31505640), (2, 15752820), (3, 10501880), (4, 7876410), (5, 6301128), (6, 5250940), (8, 3938205), (10, 3150564), (12, 2625470), (15, 2100376), (20, 1575282), (24, 1312735), (30, 1050188), (40, 787641), (60, 525094), (103, 305880), (120, 262547), (206, 152940), (309, 101960), (412, 76470), (515, 61176), (618, 50980), (824, 38235), (1030, 30588), (1236, 25490), (1545, 20392), (2060, 15294), (2472, 12745), (2549, 12360), (3090, 10196), (4120, 7647), (5098, 6180)]