68658420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^2\times {\mathrm{227}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 195848352

約数和(自身を除く): 127189932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 227, 284, 355, 426, 454, 681, 710, 852, 908, 1065, 1135, 1362, 1420, 2130, 2270, 2724, 3405, 4260, 4540, 5041, 6810, 10082, 13620, 15123, 16117, 20164, 25205, 30246, 32234, 48351, 50410, 60492, 64468, 75615, 80585, 96702, 100820, 151230, 161170, 193404, 241755, 302460, 322340, 483510, 967020, 1144307, 2288614, 3432921, 4577228, 5721535, 6865842, 11443070, 13731684, 17164605, 22886140, 34329210, 68658420]

約数ペア:

[(1, 68658420), (2, 34329210), (3, 22886140), (4, 17164605), (5, 13731684), (6, 11443070), (10, 6865842), (12, 5721535), (15, 4577228), (20, 3432921), (30, 2288614), (60, 1144307), (71, 967020), (142, 483510), (213, 322340), (227, 302460), (284, 241755), (355, 193404), (426, 161170), (454, 151230), (681, 100820), (710, 96702), (852, 80585), (908, 75615), (1065, 64468), (1135, 60492), (1362, 50410), (1420, 48351), (2130, 32234), (2270, 30246), (2724, 25205), (3405, 20164), (4260, 16117), (4540, 15123), (5041, 13620), (6810, 10082)]