7876740

素因数分解:

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

素因数の和:169

約数の個数: 72

約数和(自身を含む): 22897728

約数和(自身を除く): 15020988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 71, 86, 129, 142, 172, 213, 215, 258, 284, 355, 426, 430, 516, 645, 710, 852, 860, 1065, 1290, 1420, 1849, 2130, 2580, 3053, 3698, 4260, 5547, 6106, 7396, 9159, 9245, 11094, 12212, 15265, 18318, 18490, 22188, 27735, 30530, 36636, 36980, 45795, 55470, 61060, 91590, 110940, 131279, 183180, 262558, 393837, 525116, 656395, 787674, 1312790, 1575348, 1969185, 2625580, 3938370, 7876740]

約数ペア:

[(1, 7876740), (2, 3938370), (3, 2625580), (4, 1969185), (5, 1575348), (6, 1312790), (10, 787674), (12, 656395), (15, 525116), (20, 393837), (30, 262558), (43, 183180), (60, 131279), (71, 110940), (86, 91590), (129, 61060), (142, 55470), (172, 45795), (213, 36980), (215, 36636), (258, 30530), (284, 27735), (355, 22188), (426, 18490), (430, 18318), (516, 15265), (645, 12212), (710, 11094), (852, 9245), (860, 9159), (1065, 7396), (1290, 6106), (1420, 5547), (1849, 4260), (2130, 3698), (2580, 3053)]