6620980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 14676480

約数和(自身を除く): 8055500

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 181, 236, 295, 310, 362, 590, 620, 724, 905, 1180, 1810, 1829, 3620, 3658, 5611, 7316, 9145, 10679, 11222, 18290, 21358, 22444, 28055, 36580, 42716, 53395, 56110, 106790, 112220, 213580, 331049, 662098, 1324196, 1655245, 3310490, 6620980]

約数ペア:

[(1, 6620980), (2, 3310490), (4, 1655245), (5, 1324196), (10, 662098), (20, 331049), (31, 213580), (59, 112220), (62, 106790), (118, 56110), (124, 53395), (155, 42716), (181, 36580), (236, 28055), (295, 22444), (310, 21358), (362, 18290), (590, 11222), (620, 10679), (724, 9145), (905, 7316), (1180, 5611), (1810, 3658), (1829, 3620)]