7813020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{661}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 22020768

約数和(自身を除く): 14207748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 661, 788, 985, 1182, 1322, 1970, 1983, 2364, 2644, 2955, 3305, 3940, 3966, 5910, 6610, 7932, 9915, 11820, 13220, 19830, 39660, 130217, 260434, 390651, 520868, 651085, 781302, 1302170, 1562604, 1953255, 2604340, 3906510, 7813020]

約数ペア:

[(1, 7813020), (2, 3906510), (3, 2604340), (4, 1953255), (5, 1562604), (6, 1302170), (10, 781302), (12, 651085), (15, 520868), (20, 390651), (30, 260434), (60, 130217), (197, 39660), (394, 19830), (591, 13220), (661, 11820), (788, 9915), (985, 7932), (1182, 6610), (1322, 5910), (1970, 3966), (1983, 3940), (2364, 3305), (2644, 2955)]