53656980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68791}}^1$

素因数の和:68816

約数の個数: 48

約数和(自身を含む): 161798784

約数和(自身を除く): 108141804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 68791, 137582, 206373, 275164, 343955, 412746, 687910, 825492, 894283, 1031865, 1375820, 1788566, 2063730, 2682849, 3577132, 4127460, 4471415, 5365698, 8942830, 10731396, 13414245, 17885660, 26828490, 53656980]

約数ペア:

[(1, 53656980), (2, 26828490), (3, 17885660), (4, 13414245), (5, 10731396), (6, 8942830), (10, 5365698), (12, 4471415), (13, 4127460), (15, 3577132), (20, 2682849), (26, 2063730), (30, 1788566), (39, 1375820), (52, 1031865), (60, 894283), (65, 825492), (78, 687910), (130, 412746), (156, 343955), (195, 275164), (260, 206373), (390, 137582), (780, 68791)]