180573680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2539}}^1$

素因数の和:2686

約数の個数: 80

約数和(自身を含む): 483778560

約数和(自身を除く): 303204880

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, 1270, 1778, 2032, 2539, 2540, 3556, 4445, 5078, 5080, 7112, 8890, 10156, 10160, 12695, 14224, 17773, 17780, 20312, 25390, 35546, 35560, 40624, 50780, 71092, 71120, 88865, 101560, 142184, 177730, 203120, 284368, 322453, 355460, 644906, 710920, 1289812, 1421840, 1612265, 2257171, 2579624, 3224530, 4514342, 5159248, 6449060, 9028684, 11285855, 12898120, 18057368, 22571710, 25796240, 36114736, 45143420, 90286840, 180573680]

約数ペア:

[(1, 180573680), (2, 90286840), (4, 45143420), (5, 36114736), (7, 25796240), (8, 22571710), (10, 18057368), (14, 12898120), (16, 11285855), (20, 9028684), (28, 6449060), (35, 5159248), (40, 4514342), (56, 3224530), (70, 2579624), (80, 2257171), (112, 1612265), (127, 1421840), (140, 1289812), (254, 710920), (280, 644906), (508, 355460), (560, 322453), (635, 284368), (889, 203120), (1016, 177730), (1270, 142184), (1778, 101560), (2032, 88865), (2539, 71120), (2540, 71092), (3556, 50780), (4445, 40624), (5078, 35560), (5080, 35546), (7112, 25390), (8890, 20312), (10156, 17780), (10160, 17773), (12695, 14224)]