18113480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5881}}^1$

素因数の和:5910

約数の個数: 64

約数和(自身を含む): 50820480

約数和(自身を除く): 32707000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 5881, 11762, 23524, 29405, 41167, 47048, 58810, 64691, 82334, 117620, 129382, 164668, 205835, 235240, 258764, 323455, 329336, 411670, 452837, 517528, 646910, 823340, 905674, 1293820, 1646680, 1811348, 2264185, 2587640, 3622696, 4528370, 9056740, 18113480]

約数ペア:

[(1, 18113480), (2, 9056740), (4, 4528370), (5, 3622696), (7, 2587640), (8, 2264185), (10, 1811348), (11, 1646680), (14, 1293820), (20, 905674), (22, 823340), (28, 646910), (35, 517528), (40, 452837), (44, 411670), (55, 329336), (56, 323455), (70, 258764), (77, 235240), (88, 205835), (110, 164668), (140, 129382), (154, 117620), (220, 82334), (280, 64691), (308, 58810), (385, 47048), (440, 41167), (616, 29405), (770, 23524), (1540, 11762), (3080, 5881)]