641541780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{324011}}^1$

素因数の和:324037

約数の個数: 72

約数和(自身を含む): 2122926624

約数和(自身を除く): 1481384844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 324011, 648022, 972033, 1296044, 1620055, 1944066, 2916099, 3240110, 3564121, 3888132, 4860165, 5832198, 6480220, 7128242, 9720330, 10692363, 11664396, 14256484, 14580495, 17820605, 19440660, 21384726, 29160990, 32077089, 35641210, 42769452, 53461815, 58321980, 64154178, 71282420, 106923630, 128308356, 160385445, 213847260, 320770890, 641541780]

約数ペア:

[(1, 641541780), (2, 320770890), (3, 213847260), (4, 160385445), (5, 128308356), (6, 106923630), (9, 71282420), (10, 64154178), (11, 58321980), (12, 53461815), (15, 42769452), (18, 35641210), (20, 32077089), (22, 29160990), (30, 21384726), (33, 19440660), (36, 17820605), (44, 14580495), (45, 14256484), (55, 11664396), (60, 10692363), (66, 9720330), (90, 7128242), (99, 6480220), (110, 5832198), (132, 4860165), (165, 3888132), (180, 3564121), (198, 3240110), (220, 2916099), (330, 1944066), (396, 1620055), (495, 1296044), (660, 972033), (990, 648022), (1980, 324011)]