66071220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{25609}}^1$

素因数の和:25664

約数の個数: 48

約数和(自身を含む): 189309120

約数和(自身を除く): 123237900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 25609, 51218, 76827, 102436, 128045, 153654, 256090, 307308, 384135, 512180, 768270, 1101187, 1536540, 2202374, 3303561, 4404748, 5505935, 6607122, 11011870, 13214244, 16517805, 22023740, 33035610, 66071220]

約数ペア:

[(1, 66071220), (2, 33035610), (3, 22023740), (4, 16517805), (5, 13214244), (6, 11011870), (10, 6607122), (12, 5505935), (15, 4404748), (20, 3303561), (30, 2202374), (43, 1536540), (60, 1101187), (86, 768270), (129, 512180), (172, 384135), (215, 307308), (258, 256090), (430, 153654), (516, 128045), (645, 102436), (860, 76827), (1290, 51218), (2580, 25609)]