164445540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{391537}}^1$

素因数の和:391556

約数の個数: 48

約数和(自身を含む): 526227072

約数和(自身を除く): 361781532

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, 391537, 783074, 1174611, 1566148, 1957685, 2349222, 2740759, 3915370, 4698444, 5481518, 5873055, 7830740, 8222277, 10963036, 11746110, 13703795, 16444554, 23492220, 27407590, 32889108, 41111385, 54815180, 82222770, 164445540]

約数ペア:

[(1, 164445540), (2, 82222770), (3, 54815180), (4, 41111385), (5, 32889108), (6, 27407590), (7, 23492220), (10, 16444554), (12, 13703795), (14, 11746110), (15, 10963036), (20, 8222277), (21, 7830740), (28, 5873055), (30, 5481518), (35, 4698444), (42, 3915370), (60, 2740759), (70, 2349222), (84, 1957685), (105, 1566148), (140, 1174611), (210, 783074), (420, 391537)]