123880880

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:366

約数の個数: 80

約数和(自身を含む): 295695360

約数和(自身を除く): 171814480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 127, 137, 178, 254, 274, 356, 445, 508, 548, 635, 685, 712, 890, 1016, 1096, 1270, 1370, 1424, 1780, 2032, 2192, 2540, 2740, 3560, 5080, 5480, 7120, 10160, 10960, 11303, 12193, 17399, 22606, 24386, 34798, 45212, 48772, 56515, 60965, 69596, 86995, 90424, 97544, 113030, 121930, 139192, 173990, 180848, 195088, 226060, 243860, 278384, 347980, 452120, 487720, 695960, 904240, 975440, 1391920, 1548511, 3097022, 6194044, 7742555, 12388088, 15485110, 24776176, 30970220, 61940440, 123880880]

約数ペア:

[(1, 123880880), (2, 61940440), (4, 30970220), (5, 24776176), (8, 15485110), (10, 12388088), (16, 7742555), (20, 6194044), (40, 3097022), (80, 1548511), (89, 1391920), (127, 975440), (137, 904240), (178, 695960), (254, 487720), (274, 452120), (356, 347980), (445, 278384), (508, 243860), (548, 226060), (635, 195088), (685, 180848), (712, 173990), (890, 139192), (1016, 121930), (1096, 113030), (1270, 97544), (1370, 90424), (1424, 86995), (1780, 69596), (2032, 60965), (2192, 56515), (2540, 48772), (2740, 45212), (3560, 34798), (5080, 24386), (5480, 22606), (7120, 17399), (10160, 12193), (10960, 11303)]