1520886320

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1\times {\mathrm{719}}^1$

素因数の和:1062

約数の個数: 80

約数和(自身を含む): 3585306240

約数和(自身を除く): 2064419920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 193, 274, 386, 548, 685, 719, 772, 965, 1096, 1370, 1438, 1544, 1930, 2192, 2740, 2876, 3088, 3595, 3860, 5480, 5752, 7190, 7720, 10960, 11504, 14380, 15440, 26441, 28760, 52882, 57520, 98503, 105764, 132205, 138767, 197006, 211528, 264410, 277534, 394012, 423056, 492515, 528820, 555068, 693835, 788024, 985030, 1057640, 1110136, 1387670, 1576048, 1970060, 2115280, 2220272, 2775340, 3940120, 5550680, 7880240, 11101360, 19011079, 38022158, 76044316, 95055395, 152088632, 190110790, 304177264, 380221580, 760443160, 1520886320]

約数ペア:

[(1, 1520886320), (2, 760443160), (4, 380221580), (5, 304177264), (8, 190110790), (10, 152088632), (16, 95055395), (20, 76044316), (40, 38022158), (80, 19011079), (137, 11101360), (193, 7880240), (274, 5550680), (386, 3940120), (548, 2775340), (685, 2220272), (719, 2115280), (772, 1970060), (965, 1576048), (1096, 1387670), (1370, 1110136), (1438, 1057640), (1544, 985030), (1930, 788024), (2192, 693835), (2740, 555068), (2876, 528820), (3088, 492515), (3595, 423056), (3860, 394012), (5480, 277534), (5752, 264410), (7190, 211528), (7720, 197006), (10960, 138767), (11504, 132205), (14380, 105764), (15440, 98503), (26441, 57520), (28760, 52882)]