20040445080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{704657}}^1$

素因数の和:704753

約数の個数: 96

約数和(自身を含む): 65955988800

約数和(自身を除く): 45915543720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 79, 90, 120, 158, 180, 237, 316, 360, 395, 474, 632, 711, 790, 948, 1185, 1422, 1580, 1896, 2370, 2844, 3160, 3555, 4740, 5688, 7110, 9480, 14220, 28440, 704657, 1409314, 2113971, 2818628, 3523285, 4227942, 5637256, 6341913, 7046570, 8455884, 10569855, 12683826, 14093140, 16911768, 21139710, 25367652, 28186280, 31709565, 42279420, 50735304, 55667903, 63419130, 84558840, 111335806, 126838260, 167003709, 222671612, 253676520, 278339515, 334007418, 445343224, 501011127, 556679030, 668014836, 835018545, 1002022254, 1113358060, 1336029672, 1670037090, 2004044508, 2226716120, 2505055635, 3340074180, 4008089016, 5010111270, 6680148360, 10020222540, 20040445080]

約数ペア:

[(1, 20040445080), (2, 10020222540), (3, 6680148360), (4, 5010111270), (5, 4008089016), (6, 3340074180), (8, 2505055635), (9, 2226716120), (10, 2004044508), (12, 1670037090), (15, 1336029672), (18, 1113358060), (20, 1002022254), (24, 835018545), (30, 668014836), (36, 556679030), (40, 501011127), (45, 445343224), (60, 334007418), (72, 278339515), (79, 253676520), (90, 222671612), (120, 167003709), (158, 126838260), (180, 111335806), (237, 84558840), (316, 63419130), (360, 55667903), (395, 50735304), (474, 42279420), (632, 31709565), (711, 28186280), (790, 25367652), (948, 21139710), (1185, 16911768), (1422, 14093140), (1580, 12683826), (1896, 10569855), (2370, 8455884), (2844, 7046570), (3160, 6341913), (3555, 5637256), (4740, 4227942), (5688, 3523285), (7110, 2818628), (9480, 2113971), (14220, 1409314), (28440, 704657)]