31506960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 120

約数和(自身を含む): 101404224

約数和(自身を除く): 69897264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 71, 80, 86, 120, 129, 142, 172, 213, 215, 240, 258, 284, 344, 355, 426, 430, 516, 568, 645, 688, 710, 852, 860, 1032, 1065, 1136, 1290, 1420, 1704, 1720, 1849, 2064, 2130, 2580, 2840, 3053, 3408, 3440, 3698, 4260, 5160, 5547, 5680, 6106, 7396, 8520, 9159, 9245, 10320, 11094, 12212, 14792, 15265, 17040, 18318, 18490, 22188, 24424, 27735, 29584, 30530, 36636, 36980, 44376, 45795, 48848, 55470, 61060, 73272, 73960, 88752, 91590, 110940, 122120, 131279, 146544, 147920, 183180, 221880, 244240, 262558, 366360, 393837, 443760, 525116, 656395, 732720, 787674, 1050232, 1312790, 1575348, 1969185, 2100464, 2625580, 3150696, 3938370, 5251160, 6301392, 7876740, 10502320, 15753480, 31506960]

約数ペア:

[(1, 31506960), (2, 15753480), (3, 10502320), (4, 7876740), (5, 6301392), (6, 5251160), (8, 3938370), (10, 3150696), (12, 2625580), (15, 2100464), (16, 1969185), (20, 1575348), (24, 1312790), (30, 1050232), (40, 787674), (43, 732720), (48, 656395), (60, 525116), (71, 443760), (80, 393837), (86, 366360), (120, 262558), (129, 244240), (142, 221880), (172, 183180), (213, 147920), (215, 146544), (240, 131279), (258, 122120), (284, 110940), (344, 91590), (355, 88752), (426, 73960), (430, 73272), (516, 61060), (568, 55470), (645, 48848), (688, 45795), (710, 44376), (852, 36980), (860, 36636), (1032, 30530), (1065, 29584), (1136, 27735), (1290, 24424), (1420, 22188), (1704, 18490), (1720, 18318), (1849, 17040), (2064, 15265), (2130, 14792), (2580, 12212), (2840, 11094), (3053, 10320), (3408, 9245), (3440, 9159), (3698, 8520), (4260, 7396), (5160, 6106), (5547, 5680)]