18108240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{383}}^1$

素因数の和:596

約数の個数: 80

約数和(自身を含む): 56567808

約数和(自身を除く): 38459568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 383, 394, 591, 766, 788, 985, 1149, 1182, 1532, 1576, 1915, 1970, 2298, 2364, 2955, 3064, 3152, 3830, 3940, 4596, 4728, 5745, 5910, 6128, 7660, 7880, 9192, 9456, 11490, 11820, 15320, 15760, 18384, 22980, 23640, 30640, 45960, 47280, 75451, 91920, 150902, 226353, 301804, 377255, 452706, 603608, 754510, 905412, 1131765, 1207216, 1509020, 1810824, 2263530, 3018040, 3621648, 4527060, 6036080, 9054120, 18108240]

約数ペア:

[(1, 18108240), (2, 9054120), (3, 6036080), (4, 4527060), (5, 3621648), (6, 3018040), (8, 2263530), (10, 1810824), (12, 1509020), (15, 1207216), (16, 1131765), (20, 905412), (24, 754510), (30, 603608), (40, 452706), (48, 377255), (60, 301804), (80, 226353), (120, 150902), (197, 91920), (240, 75451), (383, 47280), (394, 45960), (591, 30640), (766, 23640), (788, 22980), (985, 18384), (1149, 15760), (1182, 15320), (1532, 11820), (1576, 11490), (1915, 9456), (1970, 9192), (2298, 7880), (2364, 7660), (2955, 6128), (3064, 5910), (3152, 5745), (3830, 4728), (3940, 4596)]