51336540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{929}}^1$

素因数の和:1251

約数の個数: 72

約数和(自身を含む): 156396240

約数和(自身を除く): 105059700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307, 614, 921, 929, 1228, 1535, 1842, 1858, 2763, 2787, 3070, 3684, 3716, 4605, 4645, 5526, 5574, 6140, 8361, 9210, 9290, 11052, 11148, 13815, 13935, 16722, 18420, 18580, 27630, 27870, 33444, 41805, 55260, 55740, 83610, 167220, 285203, 570406, 855609, 1140812, 1426015, 1711218, 2566827, 2852030, 3422436, 4278045, 5133654, 5704060, 8556090, 10267308, 12834135, 17112180, 25668270, 51336540]

約数ペア:

[(1, 51336540), (2, 25668270), (3, 17112180), (4, 12834135), (5, 10267308), (6, 8556090), (9, 5704060), (10, 5133654), (12, 4278045), (15, 3422436), (18, 2852030), (20, 2566827), (30, 1711218), (36, 1426015), (45, 1140812), (60, 855609), (90, 570406), (180, 285203), (307, 167220), (614, 83610), (921, 55740), (929, 55260), (1228, 41805), (1535, 33444), (1842, 27870), (1858, 27630), (2763, 18580), (2787, 18420), (3070, 16722), (3684, 13935), (3716, 13815), (4605, 11148), (4645, 11052), (5526, 9290), (5574, 9210), (6140, 8361)]