121799217920

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{749257}}^1$

素因数の和:749405

約数の個数: 72

約数和(自身を含む): 294044803584

約数和(自身を除く): 172245585664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 1016, 1270, 1280, 2032, 2540, 4064, 5080, 8128, 10160, 16256, 20320, 32512, 40640, 81280, 162560, 749257, 1498514, 2997028, 3746285, 5994056, 7492570, 11988112, 14985140, 23976224, 29970280, 47952448, 59940560, 95155639, 95904896, 119881120, 190311278, 191809792, 239762240, 380622556, 475778195, 479524480, 761245112, 951556390, 959048960, 1522490224, 1903112780, 3044980448, 3806225560, 6089960896, 7612451120, 12179921792, 15224902240, 24359843584, 30449804480, 60899608960, 121799217920]

約数ペア:

[(1, 121799217920), (2, 60899608960), (4, 30449804480), (5, 24359843584), (8, 15224902240), (10, 12179921792), (16, 7612451120), (20, 6089960896), (32, 3806225560), (40, 3044980448), (64, 1903112780), (80, 1522490224), (127, 959048960), (128, 951556390), (160, 761245112), (254, 479524480), (256, 475778195), (320, 380622556), (508, 239762240), (635, 191809792), (640, 190311278), (1016, 119881120), (1270, 95904896), (1280, 95155639), (2032, 59940560), (2540, 47952448), (4064, 29970280), (5080, 23976224), (8128, 14985140), (10160, 11988112), (16256, 7492570), (20320, 5994056), (32512, 3746285), (40640, 2997028), (81280, 1498514), (162560, 749257)]