18187380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1279}}^1$

素因数の和:1373

約数の個数: 72

約数和(自身を含む): 55910400

約数和(自身を除く): 37723020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1279, 1422, 1580, 2370, 2558, 2844, 3555, 3837, 4740, 5116, 6395, 7110, 7674, 11511, 12790, 14220, 15348, 19185, 23022, 25580, 38370, 46044, 57555, 76740, 101041, 115110, 202082, 230220, 303123, 404164, 505205, 606246, 909369, 1010410, 1212492, 1515615, 1818738, 2020820, 3031230, 3637476, 4546845, 6062460, 9093690, 18187380]

約数ペア:

[(1, 18187380), (2, 9093690), (3, 6062460), (4, 4546845), (5, 3637476), (6, 3031230), (9, 2020820), (10, 1818738), (12, 1515615), (15, 1212492), (18, 1010410), (20, 909369), (30, 606246), (36, 505205), (45, 404164), (60, 303123), (79, 230220), (90, 202082), (158, 115110), (180, 101041), (237, 76740), (316, 57555), (395, 46044), (474, 38370), (711, 25580), (790, 23022), (948, 19185), (1185, 15348), (1279, 14220), (1422, 12790), (1580, 11511), (2370, 7674), (2558, 7110), (2844, 6395), (3555, 5116), (3837, 4740)]