81528900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{359}}^1\times {\mathrm{757}}^1$

素因数の和:1133

約数の個数: 72

約数和(自身を含む): 236859840

約数和(自身を除く): 155330940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 359, 718, 757, 1077, 1436, 1514, 1795, 2154, 2271, 3028, 3590, 3785, 4308, 4542, 5385, 7180, 7570, 8975, 9084, 10770, 11355, 15140, 17950, 18925, 21540, 22710, 26925, 35900, 37850, 45420, 53850, 56775, 75700, 107700, 113550, 227100, 271763, 543526, 815289, 1087052, 1358815, 1630578, 2717630, 3261156, 4076445, 5435260, 6794075, 8152890, 13588150, 16305780, 20382225, 27176300, 40764450, 81528900]

約数ペア:

[(1, 81528900), (2, 40764450), (3, 27176300), (4, 20382225), (5, 16305780), (6, 13588150), (10, 8152890), (12, 6794075), (15, 5435260), (20, 4076445), (25, 3261156), (30, 2717630), (50, 1630578), (60, 1358815), (75, 1087052), (100, 815289), (150, 543526), (300, 271763), (359, 227100), (718, 113550), (757, 107700), (1077, 75700), (1436, 56775), (1514, 53850), (1795, 45420), (2154, 37850), (2271, 35900), (3028, 26925), (3590, 22710), (3785, 21540), (4308, 18925), (4542, 17950), (5385, 15140), (7180, 11355), (7570, 10770), (8975, 9084)]