12943140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{30817}}^1$

素因数の和:30836

約数の個数: 48

約数和(自身を含む): 41419392

約数和(自身を除く): 28476252

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 30817, 61634, 92451, 123268, 154085, 184902, 215719, 308170, 369804, 431438, 462255, 616340, 647157, 862876, 924510, 1078595, 1294314, 1849020, 2157190, 2588628, 3235785, 4314380, 6471570, 12943140]

約数ペア:

[(1, 12943140), (2, 6471570), (3, 4314380), (4, 3235785), (5, 2588628), (6, 2157190), (7, 1849020), (10, 1294314), (12, 1078595), (14, 924510), (15, 862876), (20, 647157), (21, 616340), (28, 462255), (30, 431438), (35, 369804), (42, 308170), (60, 215719), (70, 184902), (84, 154085), (105, 123268), (140, 92451), (210, 61634), (420, 30817)]