31420530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:432

約数の個数: 96

約数和(自身を含む): 87474816

約数和(自身を除く): 56054286

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 43, 45, 46, 69, 86, 90, 115, 129, 138, 207, 215, 230, 258, 345, 353, 387, 414, 430, 645, 690, 706, 774, 989, 1035, 1059, 1290, 1765, 1935, 1978, 2070, 2118, 2967, 3177, 3530, 3870, 4945, 5295, 5934, 6354, 8119, 8901, 9890, 10590, 14835, 15179, 15885, 16238, 17802, 24357, 29670, 30358, 31770, 40595, 44505, 45537, 48714, 73071, 75895, 81190, 89010, 91074, 121785, 136611, 146142, 151790, 227685, 243570, 273222, 349117, 365355, 455370, 683055, 698234, 730710, 1047351, 1366110, 1745585, 2094702, 3142053, 3491170, 5236755, 6284106, 10473510, 15710265, 31420530]

約数ペア:

[(1, 31420530), (2, 15710265), (3, 10473510), (5, 6284106), (6, 5236755), (9, 3491170), (10, 3142053), (15, 2094702), (18, 1745585), (23, 1366110), (30, 1047351), (43, 730710), (45, 698234), (46, 683055), (69, 455370), (86, 365355), (90, 349117), (115, 273222), (129, 243570), (138, 227685), (207, 151790), (215, 146142), (230, 136611), (258, 121785), (345, 91074), (353, 89010), (387, 81190), (414, 75895), (430, 73071), (645, 48714), (690, 45537), (706, 44505), (774, 40595), (989, 31770), (1035, 30358), (1059, 29670), (1290, 24357), (1765, 17802), (1935, 16238), (1978, 15885), (2070, 15179), (2118, 14835), (2967, 10590), (3177, 9890), (3530, 8901), (3870, 8119), (4945, 6354), (5295, 5934)]