31641870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^2$

素因数の和:194

約数の個数: 72

約数和(自身を含む): 83285496

約数和(自身を除く): 51643626

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 79, 130, 158, 169, 195, 237, 338, 390, 395, 474, 507, 790, 845, 1014, 1027, 1185, 1690, 2054, 2370, 2535, 3081, 5070, 5135, 6162, 6241, 10270, 12482, 13351, 15405, 18723, 26702, 30810, 31205, 37446, 40053, 62410, 66755, 80106, 81133, 93615, 133510, 162266, 187230, 200265, 243399, 400530, 405665, 486798, 811330, 1054729, 1216995, 2109458, 2433990, 3164187, 5273645, 6328374, 10547290, 15820935, 31641870]

約数ペア:

[(1, 31641870), (2, 15820935), (3, 10547290), (5, 6328374), (6, 5273645), (10, 3164187), (13, 2433990), (15, 2109458), (26, 1216995), (30, 1054729), (39, 811330), (65, 486798), (78, 405665), (79, 400530), (130, 243399), (158, 200265), (169, 187230), (195, 162266), (237, 133510), (338, 93615), (390, 81133), (395, 80106), (474, 66755), (507, 62410), (790, 40053), (845, 37446), (1014, 31205), (1027, 30810), (1185, 26702), (1690, 18723), (2054, 15405), (2370, 13351), (2535, 12482), (3081, 10270), (5070, 6241), (5135, 6162)]