66577980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{158519}}^1$

素因数の和:158538

約数の個数: 48

約数和(自身を含む): 213050880

約数和(自身を除く): 146472900

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, 158519, 317038, 475557, 634076, 792595, 951114, 1109633, 1585190, 1902228, 2219266, 2377785, 3170380, 3328899, 4438532, 4755570, 5548165, 6657798, 9511140, 11096330, 13315596, 16644495, 22192660, 33288990, 66577980]

約数ペア:

[(1, 66577980), (2, 33288990), (3, 22192660), (4, 16644495), (5, 13315596), (6, 11096330), (7, 9511140), (10, 6657798), (12, 5548165), (14, 4755570), (15, 4438532), (20, 3328899), (21, 3170380), (28, 2377785), (30, 2219266), (35, 1902228), (42, 1585190), (60, 1109633), (70, 951114), (84, 792595), (105, 634076), (140, 475557), (210, 317038), (420, 158519)]