31315260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7351}}^1$

素因数の和:7434

約数の個数: 48

約数和(自身を含む): 88929792

約数和(自身を除く): 57614532

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, 7351, 14702, 22053, 29404, 36755, 44106, 73510, 88212, 110265, 147020, 220530, 441060, 521921, 1043842, 1565763, 2087684, 2609605, 3131526, 5219210, 6263052, 7828815, 10438420, 15657630, 31315260]

約数ペア:

[(1, 31315260), (2, 15657630), (3, 10438420), (4, 7828815), (5, 6263052), (6, 5219210), (10, 3131526), (12, 2609605), (15, 2087684), (20, 1565763), (30, 1043842), (60, 521921), (71, 441060), (142, 220530), (213, 147020), (284, 110265), (355, 88212), (426, 73510), (710, 44106), (852, 36755), (1065, 29404), (1420, 22053), (2130, 14702), (4260, 7351)]