67688960

素因数分解:

$2^9\times 5^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:353

約数の個数: 80

約数和(自身を含む): 164326536

約数和(自身を除く): 96637576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 193, 256, 274, 320, 386, 512, 548, 640, 685, 772, 965, 1096, 1280, 1370, 1544, 1930, 2192, 2560, 2740, 3088, 3860, 4384, 5480, 6176, 7720, 8768, 10960, 12352, 15440, 17536, 21920, 24704, 26441, 30880, 35072, 43840, 49408, 52882, 61760, 70144, 87680, 98816, 105764, 123520, 132205, 175360, 211528, 247040, 264410, 350720, 423056, 494080, 528820, 846112, 1057640, 1692224, 2115280, 3384448, 4230560, 6768896, 8461120, 13537792, 16922240, 33844480, 67688960]

約数ペア:

[(1, 67688960), (2, 33844480), (4, 16922240), (5, 13537792), (8, 8461120), (10, 6768896), (16, 4230560), (20, 3384448), (32, 2115280), (40, 1692224), (64, 1057640), (80, 846112), (128, 528820), (137, 494080), (160, 423056), (193, 350720), (256, 264410), (274, 247040), (320, 211528), (386, 175360), (512, 132205), (548, 123520), (640, 105764), (685, 98816), (772, 87680), (965, 70144), (1096, 61760), (1280, 52882), (1370, 49408), (1544, 43840), (1930, 35072), (2192, 30880), (2560, 26441), (2740, 24704), (3088, 21920), (3860, 17536), (4384, 15440), (5480, 12352), (6176, 10960), (7720, 8768)]