87406480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1229}}^1$

素因数の和:1376

約数の個数: 80

約数和(自身を含む): 234270720

約数和(自身を除く): 146864240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1229, 1270, 1778, 2032, 2458, 2540, 3556, 4445, 4916, 5080, 6145, 7112, 8603, 8890, 9832, 10160, 12290, 14224, 17206, 17780, 19664, 24580, 34412, 35560, 43015, 49160, 68824, 71120, 86030, 98320, 137648, 156083, 172060, 312166, 344120, 624332, 688240, 780415, 1092581, 1248664, 1560830, 2185162, 2497328, 3121660, 4370324, 5462905, 6243320, 8740648, 10925810, 12486640, 17481296, 21851620, 43703240, 87406480]

約数ペア:

[(1, 87406480), (2, 43703240), (4, 21851620), (5, 17481296), (7, 12486640), (8, 10925810), (10, 8740648), (14, 6243320), (16, 5462905), (20, 4370324), (28, 3121660), (35, 2497328), (40, 2185162), (56, 1560830), (70, 1248664), (80, 1092581), (112, 780415), (127, 688240), (140, 624332), (254, 344120), (280, 312166), (508, 172060), (560, 156083), (635, 137648), (889, 98320), (1016, 86030), (1229, 71120), (1270, 68824), (1778, 49160), (2032, 43015), (2458, 35560), (2540, 34412), (3556, 24580), (4445, 19664), (4916, 17780), (5080, 17206), (6145, 14224), (7112, 12290), (8603, 10160), (8890, 9832)]