64857660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{154423}}^1$

素因数の和:154442

約数の個数: 48

約数和(自身を含む): 207545856

約数和(自身を除く): 142688196

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, 154423, 308846, 463269, 617692, 772115, 926538, 1080961, 1544230, 1853076, 2161922, 2316345, 3088460, 3242883, 4323844, 4632690, 5404805, 6485766, 9265380, 10809610, 12971532, 16214415, 21619220, 32428830, 64857660]

約数ペア:

[(1, 64857660), (2, 32428830), (3, 21619220), (4, 16214415), (5, 12971532), (6, 10809610), (7, 9265380), (10, 6485766), (12, 5404805), (14, 4632690), (15, 4323844), (20, 3242883), (21, 3088460), (28, 2316345), (30, 2161922), (35, 1853076), (42, 1544230), (60, 1080961), (70, 926538), (84, 772115), (105, 617692), (140, 463269), (210, 308846), (420, 154423)]