31187460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7321}}^1$

素因数の和:7404

約数の個数: 48

約数和(自身を含む): 88566912

約数和(自身を除く): 57379452

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 7321, 14642, 21963, 29284, 36605, 43926, 73210, 87852, 109815, 146420, 219630, 439260, 519791, 1039582, 1559373, 2079164, 2598955, 3118746, 5197910, 6237492, 7796865, 10395820, 15593730, 31187460]

約数ペア:

[(1, 31187460), (2, 15593730), (3, 10395820), (4, 7796865), (5, 6237492), (6, 5197910), (10, 3118746), (12, 2598955), (15, 2079164), (20, 1559373), (30, 1039582), (60, 519791), (71, 439260), (142, 219630), (213, 146420), (284, 109815), (355, 87852), (426, 73210), (710, 43926), (852, 36605), (1065, 29284), (1420, 21963), (2130, 14642), (4260, 7321)]