13123980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{72911}}^1$

素因数の和:72926

約数の個数: 36

約数和(自身を含む): 39809952

約数和(自身を除く): 26685972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 72911, 145822, 218733, 291644, 364555, 437466, 656199, 729110, 874932, 1093665, 1312398, 1458220, 2187330, 2624796, 3280995, 4374660, 6561990, 13123980]

約数ペア:

[(1, 13123980), (2, 6561990), (3, 4374660), (4, 3280995), (5, 2624796), (6, 2187330), (9, 1458220), (10, 1312398), (12, 1093665), (15, 874932), (18, 729110), (20, 656199), (30, 437466), (36, 364555), (45, 291644), (60, 218733), (90, 145822), (180, 72911)]