28781940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43609}}^1$

素因数の和:43632

約数の個数: 48

約数和(自身を含む): 87917760

約数和(自身を除く): 59135820

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, 43609, 87218, 130827, 174436, 218045, 261654, 436090, 479699, 523308, 654135, 872180, 959398, 1308270, 1439097, 1918796, 2398495, 2616540, 2878194, 4796990, 5756388, 7195485, 9593980, 14390970, 28781940]

約数ペア:

[(1, 28781940), (2, 14390970), (3, 9593980), (4, 7195485), (5, 5756388), (6, 4796990), (10, 2878194), (11, 2616540), (12, 2398495), (15, 1918796), (20, 1439097), (22, 1308270), (30, 959398), (33, 872180), (44, 654135), (55, 523308), (60, 479699), (66, 436090), (110, 261654), (132, 218045), (165, 174436), (220, 130827), (330, 87218), (660, 43609)]