64456980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{153469}}^1$

素因数の和:153488

約数の個数: 48

約数和(自身を含む): 206263680

約数和(自身を除く): 141806700

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, 153469, 306938, 460407, 613876, 767345, 920814, 1074283, 1534690, 1841628, 2148566, 2302035, 3069380, 3222849, 4297132, 4604070, 5371415, 6445698, 9208140, 10742830, 12891396, 16114245, 21485660, 32228490, 64456980]

約数ペア:

[(1, 64456980), (2, 32228490), (3, 21485660), (4, 16114245), (5, 12891396), (6, 10742830), (7, 9208140), (10, 6445698), (12, 5371415), (14, 4604070), (15, 4297132), (20, 3222849), (21, 3069380), (28, 2302035), (30, 2148566), (35, 1841628), (42, 1534690), (60, 1074283), (70, 920814), (84, 767345), (105, 613876), (140, 460407), (210, 306938), (420, 153469)]