20130630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:821

約数の個数: 64

約数和(自身を含む): 52835328

約数和(自身を除く): 32704698

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 71, 78, 130, 142, 195, 213, 355, 390, 426, 710, 727, 923, 1065, 1454, 1846, 2130, 2181, 2769, 3635, 4362, 4615, 5538, 7270, 9230, 9451, 10905, 13845, 18902, 21810, 27690, 28353, 47255, 51617, 56706, 94510, 103234, 141765, 154851, 258085, 283530, 309702, 516170, 671021, 774255, 1342042, 1548510, 2013063, 3355105, 4026126, 6710210, 10065315, 20130630]

約数ペア:

[(1, 20130630), (2, 10065315), (3, 6710210), (5, 4026126), (6, 3355105), (10, 2013063), (13, 1548510), (15, 1342042), (26, 774255), (30, 671021), (39, 516170), (65, 309702), (71, 283530), (78, 258085), (130, 154851), (142, 141765), (195, 103234), (213, 94510), (355, 56706), (390, 51617), (426, 47255), (710, 28353), (727, 27690), (923, 21810), (1065, 18902), (1454, 13845), (1846, 10905), (2130, 9451), (2181, 9230), (2769, 7270), (3635, 5538), (4362, 4615)]