1720803440

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1\times {\mathrm{1889}}^1$

素因数の和:2154

約数の個数: 80

約数和(自身を含む): 4091925600

約数和(自身を除く): 2371122160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 193, 236, 295, 386, 472, 590, 772, 944, 965, 1180, 1544, 1889, 1930, 2360, 3088, 3778, 3860, 4720, 7556, 7720, 9445, 11387, 15112, 15440, 18890, 22774, 30224, 37780, 45548, 56935, 75560, 91096, 111451, 113870, 151120, 182192, 222902, 227740, 364577, 445804, 455480, 557255, 729154, 891608, 910960, 1114510, 1458308, 1783216, 1822885, 2229020, 2916616, 3645770, 4458040, 5833232, 7291540, 8916080, 14583080, 21510043, 29166160, 43020086, 86040172, 107550215, 172080344, 215100430, 344160688, 430200860, 860401720, 1720803440]

約数ペア:

[(1, 1720803440), (2, 860401720), (4, 430200860), (5, 344160688), (8, 215100430), (10, 172080344), (16, 107550215), (20, 86040172), (40, 43020086), (59, 29166160), (80, 21510043), (118, 14583080), (193, 8916080), (236, 7291540), (295, 5833232), (386, 4458040), (472, 3645770), (590, 2916616), (772, 2229020), (944, 1822885), (965, 1783216), (1180, 1458308), (1544, 1114510), (1889, 910960), (1930, 891608), (2360, 729154), (3088, 557255), (3778, 455480), (3860, 445804), (4720, 364577), (7556, 227740), (7720, 222902), (9445, 182192), (11387, 151120), (15112, 113870), (15440, 111451), (18890, 91096), (22774, 75560), (30224, 56935), (37780, 45548)]