1666778100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{427379}}^1$

素因数の和:427409

約数の個数: 72

約数和(自身を含む): 5193521760

約数和(自身を除く): 3526743660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 427379, 854758, 1282137, 1709516, 2136895, 2564274, 4273790, 5128548, 5555927, 6410685, 8547580, 10684475, 11111854, 12821370, 16667781, 21368950, 22223708, 25642740, 27779635, 32053425, 33335562, 42737900, 55559270, 64106850, 66671124, 83338905, 111118540, 128213700, 138898175, 166677810, 277796350, 333355620, 416694525, 555592700, 833389050, 1666778100]

約数ペア:

[(1, 1666778100), (2, 833389050), (3, 555592700), (4, 416694525), (5, 333355620), (6, 277796350), (10, 166677810), (12, 138898175), (13, 128213700), (15, 111118540), (20, 83338905), (25, 66671124), (26, 64106850), (30, 55559270), (39, 42737900), (50, 33335562), (52, 32053425), (60, 27779635), (65, 25642740), (75, 22223708), (78, 21368950), (100, 16667781), (130, 12821370), (150, 11111854), (156, 10684475), (195, 8547580), (260, 6410685), (300, 5555927), (325, 5128548), (390, 4273790), (650, 2564274), (780, 2136895), (975, 1709516), (1300, 1282137), (1950, 854758), (3900, 427379)]