12378040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 29937600

約数和(自身を除く): 17559560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 109, 136, 167, 170, 218, 334, 340, 436, 545, 668, 680, 835, 872, 1090, 1336, 1670, 1853, 2180, 2839, 3340, 3706, 4360, 5678, 6680, 7412, 9265, 11356, 14195, 14824, 18203, 18530, 22712, 28390, 36406, 37060, 56780, 72812, 74120, 91015, 113560, 145624, 182030, 309451, 364060, 618902, 728120, 1237804, 1547255, 2475608, 3094510, 6189020, 12378040]

約数ペア:

[(1, 12378040), (2, 6189020), (4, 3094510), (5, 2475608), (8, 1547255), (10, 1237804), (17, 728120), (20, 618902), (34, 364060), (40, 309451), (68, 182030), (85, 145624), (109, 113560), (136, 91015), (167, 74120), (170, 72812), (218, 56780), (334, 37060), (340, 36406), (436, 28390), (545, 22712), (668, 18530), (680, 18203), (835, 14824), (872, 14195), (1090, 11356), (1336, 9265), (1670, 7412), (1853, 6680), (2180, 5678), (2839, 4360), (3340, 3706)]