277083520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:640

約数の個数: 128

約数和(自身を含む): 764559360

約数和(自身を除く): 487475840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 128, 140, 160, 224, 254, 280, 320, 448, 487, 508, 560, 635, 640, 889, 896, 974, 1016, 1120, 1270, 1778, 1948, 2032, 2240, 2435, 2540, 3409, 3556, 3896, 4064, 4445, 4480, 4870, 5080, 6818, 7112, 7792, 8128, 8890, 9740, 10160, 13636, 14224, 15584, 16256, 17045, 17780, 19480, 20320, 27272, 28448, 31168, 34090, 35560, 38960, 40640, 54544, 56896, 61849, 62336, 68180, 71120, 77920, 81280, 109088, 113792, 123698, 136360, 142240, 155840, 218176, 247396, 272720, 284480, 309245, 311680, 432943, 436352, 494792, 545440, 568960, 618490, 865886, 989584, 1090880, 1236980, 1731772, 1979168, 2164715, 2181760, 2473960, 3463544, 3958336, 4329430, 4947920, 6927088, 7916672, 8658860, 9895840, 13854176, 17317720, 19791680, 27708352, 34635440, 39583360, 55416704, 69270880, 138541760, 277083520]

約数ペア:

[(1, 277083520), (2, 138541760), (4, 69270880), (5, 55416704), (7, 39583360), (8, 34635440), (10, 27708352), (14, 19791680), (16, 17317720), (20, 13854176), (28, 9895840), (32, 8658860), (35, 7916672), (40, 6927088), (56, 4947920), (64, 4329430), (70, 3958336), (80, 3463544), (112, 2473960), (127, 2181760), (128, 2164715), (140, 1979168), (160, 1731772), (224, 1236980), (254, 1090880), (280, 989584), (320, 865886), (448, 618490), (487, 568960), (508, 545440), (560, 494792), (635, 436352), (640, 432943), (889, 311680), (896, 309245), (974, 284480), (1016, 272720), (1120, 247396), (1270, 218176), (1778, 155840), (1948, 142240), (2032, 136360), (2240, 123698), (2435, 113792), (2540, 109088), (3409, 81280), (3556, 77920), (3896, 71120), (4064, 68180), (4445, 62336), (4480, 61849), (4870, 56896), (5080, 54544), (6818, 40640), (7112, 38960), (7792, 35560), (8128, 34090), (8890, 31168), (9740, 28448), (10160, 27272), (13636, 20320), (14224, 19480), (15584, 17780), (16256, 17045)]