28015080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1487}}^1$

素因数の和:1658

約数の個数: 64

約数和(自身を含む): 84637440

約数和(自身を除く): 56622360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1487, 1570, 1884, 2355, 2974, 3140, 3768, 4461, 4710, 5948, 6280, 7435, 8922, 9420, 11896, 14870, 17844, 18840, 22305, 29740, 35688, 44610, 59480, 89220, 178440, 233459, 466918, 700377, 933836, 1167295, 1400754, 1867672, 2334590, 2801508, 3501885, 4669180, 5603016, 7003770, 9338360, 14007540, 28015080]

約数ペア:

[(1, 28015080), (2, 14007540), (3, 9338360), (4, 7003770), (5, 5603016), (6, 4669180), (8, 3501885), (10, 2801508), (12, 2334590), (15, 1867672), (20, 1400754), (24, 1167295), (30, 933836), (40, 700377), (60, 466918), (120, 233459), (157, 178440), (314, 89220), (471, 59480), (628, 44610), (785, 35688), (942, 29740), (1256, 22305), (1487, 18840), (1570, 17844), (1884, 14870), (2355, 11896), (2974, 9420), (3140, 8922), (3768, 7435), (4461, 6280), (4710, 5948)]