28780620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43607}}^1$

素因数の和:43630

約数の個数: 48

約数和(自身を含む): 87913728

約数和(自身を除く): 59133108

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, 43607, 87214, 130821, 174428, 218035, 261642, 436070, 479677, 523284, 654105, 872140, 959354, 1308210, 1439031, 1918708, 2398385, 2616420, 2878062, 4796770, 5756124, 7195155, 9593540, 14390310, 28780620]

約数ペア:

[(1, 28780620), (2, 14390310), (3, 9593540), (4, 7195155), (5, 5756124), (6, 4796770), (10, 2878062), (11, 2616420), (12, 2398385), (15, 1918708), (20, 1439031), (22, 1308210), (30, 959354), (33, 872140), (44, 654105), (55, 523284), (60, 479677), (66, 436070), (110, 261642), (132, 218035), (165, 174428), (220, 130821), (330, 87214), (660, 43607)]