80548860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191783}}^1$

素因数の和:191802

約数の個数: 48

約数和(自身を含む): 257757696

約数和(自身を除く): 177208836

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, 191783, 383566, 575349, 767132, 958915, 1150698, 1342481, 1917830, 2301396, 2684962, 2876745, 3835660, 4027443, 5369924, 5753490, 6712405, 8054886, 11506980, 13424810, 16109772, 20137215, 26849620, 40274430, 80548860]

約数ペア:

[(1, 80548860), (2, 40274430), (3, 26849620), (4, 20137215), (5, 16109772), (6, 13424810), (7, 11506980), (10, 8054886), (12, 6712405), (14, 5753490), (15, 5369924), (20, 4027443), (21, 3835660), (28, 2876745), (30, 2684962), (35, 2301396), (42, 1917830), (60, 1342481), (70, 1150698), (84, 958915), (105, 767132), (140, 575349), (210, 383566), (420, 191783)]