87979980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{133303}}^1$

素因数の和:133326

約数の個数: 48

約数和(自身を含む): 268740864

約数和(自身を除く): 180760884

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, 133303, 266606, 399909, 533212, 666515, 799818, 1333030, 1466333, 1599636, 1999545, 2666060, 2932666, 3999090, 4398999, 5865332, 7331665, 7998180, 8797998, 14663330, 17595996, 21994995, 29326660, 43989990, 87979980]

約数ペア:

[(1, 87979980), (2, 43989990), (3, 29326660), (4, 21994995), (5, 17595996), (6, 14663330), (10, 8797998), (11, 7998180), (12, 7331665), (15, 5865332), (20, 4398999), (22, 3999090), (30, 2932666), (33, 2666060), (44, 1999545), (55, 1599636), (60, 1466333), (66, 1333030), (110, 799818), (132, 666515), (165, 533212), (220, 399909), (330, 266606), (660, 133303)]