1284157020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{690407}}^1$

素因数の和:690450

約数の個数: 48

約数和(自身を含む): 3711633408

約数和(自身を除く): 2427476388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 690407, 1380814, 2071221, 2761628, 3452035, 4142442, 6904070, 8284884, 10356105, 13808140, 20712210, 21402617, 41424420, 42805234, 64207851, 85610468, 107013085, 128415702, 214026170, 256831404, 321039255, 428052340, 642078510, 1284157020]

約数ペア:

[(1, 1284157020), (2, 642078510), (3, 428052340), (4, 321039255), (5, 256831404), (6, 214026170), (10, 128415702), (12, 107013085), (15, 85610468), (20, 64207851), (30, 42805234), (31, 41424420), (60, 21402617), (62, 20712210), (93, 13808140), (124, 10356105), (155, 8284884), (186, 6904070), (310, 4142442), (372, 3452035), (465, 2761628), (620, 2071221), (930, 1380814), (1860, 690407)]