64549380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{153689}}^1$

素因数の和:153708

約数の個数: 48

約数和(自身を含む): 206559360

約数和(自身を除く): 142009980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 153689, 307378, 461067, 614756, 768445, 922134, 1075823, 1536890, 1844268, 2151646, 2305335, 3073780, 3227469, 4303292, 4610670, 5379115, 6454938, 9221340, 10758230, 12909876, 16137345, 21516460, 32274690, 64549380]

約数ペア:

[(1, 64549380), (2, 32274690), (3, 21516460), (4, 16137345), (5, 12909876), (6, 10758230), (7, 9221340), (10, 6454938), (12, 5379115), (14, 4610670), (15, 4303292), (20, 3227469), (21, 3073780), (28, 2305335), (30, 2151646), (35, 1844268), (42, 1536890), (60, 1075823), (70, 922134), (84, 768445), (105, 614756), (140, 461067), (210, 307378), (420, 153689)]