31007730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^3$

素因数の和:152

約数の個数: 64

約数和(自身を含む): 82051200

約数和(自身を除く): 51043470

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1290, 1677, 1849, 2795, 3354, 3698, 5547, 5590, 8385, 9245, 11094, 16770, 18490, 24037, 27735, 48074, 55470, 72111, 79507, 120185, 144222, 159014, 238521, 240370, 360555, 397535, 477042, 721110, 795070, 1033591, 1192605, 2067182, 2385210, 3100773, 5167955, 6201546, 10335910, 15503865, 31007730]

約数ペア:

[(1, 31007730), (2, 15503865), (3, 10335910), (5, 6201546), (6, 5167955), (10, 3100773), (13, 2385210), (15, 2067182), (26, 1192605), (30, 1033591), (39, 795070), (43, 721110), (65, 477042), (78, 397535), (86, 360555), (129, 240370), (130, 238521), (195, 159014), (215, 144222), (258, 120185), (390, 79507), (430, 72111), (559, 55470), (645, 48074), (1118, 27735), (1290, 24037), (1677, 18490), (1849, 16770), (2795, 11094), (3354, 9245), (3698, 8385), (5547, 5590)]