180577480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1361}}^1$

素因数の和:1510

約数の個数: 64

約数和(自身を含む): 423636480

約数和(自身を除く): 243059000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 107, 124, 155, 214, 248, 310, 428, 535, 620, 856, 1070, 1240, 1361, 2140, 2722, 3317, 4280, 5444, 6634, 6805, 10888, 13268, 13610, 16585, 26536, 27220, 33170, 42191, 54440, 66340, 84382, 132680, 145627, 168764, 210955, 291254, 337528, 421910, 582508, 728135, 843820, 1165016, 1456270, 1687640, 2912540, 4514437, 5825080, 9028874, 18057748, 22572185, 36115496, 45144370, 90288740, 180577480]

約数ペア:

[(1, 180577480), (2, 90288740), (4, 45144370), (5, 36115496), (8, 22572185), (10, 18057748), (20, 9028874), (31, 5825080), (40, 4514437), (62, 2912540), (107, 1687640), (124, 1456270), (155, 1165016), (214, 843820), (248, 728135), (310, 582508), (428, 421910), (535, 337528), (620, 291254), (856, 210955), (1070, 168764), (1240, 145627), (1361, 132680), (2140, 84382), (2722, 66340), (3317, 54440), (4280, 42191), (5444, 33170), (6634, 27220), (6805, 26536), (10888, 16585), (13268, 13610)]