638580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 1854720

約数和(自身を除く): 1216140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 367, 435, 580, 734, 870, 1101, 1468, 1740, 1835, 2202, 3670, 4404, 5505, 7340, 10643, 11010, 21286, 22020, 31929, 42572, 53215, 63858, 106430, 127716, 159645, 212860, 319290, 638580]

約数ペア:

[(1, 638580), (2, 319290), (3, 212860), (4, 159645), (5, 127716), (6, 106430), (10, 63858), (12, 53215), (15, 42572), (20, 31929), (29, 22020), (30, 21286), (58, 11010), (60, 10643), (87, 7340), (116, 5505), (145, 4404), (174, 3670), (290, 2202), (348, 1835), (367, 1740), (435, 1468), (580, 1101), (734, 870)]