80921940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{122609}}^1$

素因数の和:122632

約数の個数: 48

約数和(自身を含む): 247181760

約数和(自身を除く): 166259820

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 122609, 245218, 367827, 490436, 613045, 735654, 1226090, 1348699, 1471308, 1839135, 2452180, 2697398, 3678270, 4046097, 5394796, 6743495, 7356540, 8092194, 13486990, 16184388, 20230485, 26973980, 40460970, 80921940]

約数ペア:

[(1, 80921940), (2, 40460970), (3, 26973980), (4, 20230485), (5, 16184388), (6, 13486990), (10, 8092194), (11, 7356540), (12, 6743495), (15, 5394796), (20, 4046097), (22, 3678270), (30, 2697398), (33, 2452180), (44, 1839135), (55, 1471308), (60, 1348699), (66, 1226090), (110, 735654), (132, 613045), (165, 490436), (220, 367827), (330, 245218), (660, 122609)]