256387600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:262

約数の個数: 180

約数和(自身を含む): 729191424

約数和(自身を除く): 472803824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 103, 112, 127, 140, 175, 196, 200, 206, 245, 254, 280, 350, 392, 400, 412, 490, 508, 515, 560, 635, 700, 721, 784, 824, 889, 980, 1016, 1030, 1225, 1270, 1400, 1442, 1648, 1778, 1960, 2032, 2060, 2450, 2540, 2575, 2800, 2884, 3175, 3556, 3605, 3920, 4120, 4445, 4900, 5047, 5080, 5150, 5768, 6223, 6350, 7112, 7210, 8240, 8890, 9800, 10094, 10160, 10300, 11536, 12446, 12700, 13081, 14224, 14420, 17780, 18025, 19600, 20188, 20600, 22225, 24892, 25235, 25400, 26162, 28840, 31115, 35560, 36050, 40376, 41200, 44450, 49784, 50470, 50800, 52324, 57680, 62230, 65405, 71120, 72100, 80752, 88900, 91567, 99568, 100940, 104648, 124460, 126175, 130810, 144200, 155575, 177800, 183134, 201880, 209296, 248920, 252350, 261620, 288400, 311150, 327025, 355600, 366268, 403760, 457835, 497840, 504700, 523240, 622300, 640969, 654050, 732536, 915670, 1009400, 1046480, 1244600, 1281938, 1308100, 1465072, 1831340, 2018800, 2289175, 2489200, 2563876, 2616200, 3204845, 3662680, 4578350, 5127752, 5232400, 6409690, 7325360, 9156700, 10255504, 12819380, 16024225, 18313400, 25638760, 32048450, 36626800, 51277520, 64096900, 128193800, 256387600]

約数ペア:

[(1, 256387600), (2, 128193800), (4, 64096900), (5, 51277520), (7, 36626800), (8, 32048450), (10, 25638760), (14, 18313400), (16, 16024225), (20, 12819380), (25, 10255504), (28, 9156700), (35, 7325360), (40, 6409690), (49, 5232400), (50, 5127752), (56, 4578350), (70, 3662680), (80, 3204845), (98, 2616200), (100, 2563876), (103, 2489200), (112, 2289175), (127, 2018800), (140, 1831340), (175, 1465072), (196, 1308100), (200, 1281938), (206, 1244600), (245, 1046480), (254, 1009400), (280, 915670), (350, 732536), (392, 654050), (400, 640969), (412, 622300), (490, 523240), (508, 504700), (515, 497840), (560, 457835), (635, 403760), (700, 366268), (721, 355600), (784, 327025), (824, 311150), (889, 288400), (980, 261620), (1016, 252350), (1030, 248920), (1225, 209296), (1270, 201880), (1400, 183134), (1442, 177800), (1648, 155575), (1778, 144200), (1960, 130810), (2032, 126175), (2060, 124460), (2450, 104648), (2540, 100940), (2575, 99568), (2800, 91567), (2884, 88900), (3175, 80752), (3556, 72100), (3605, 71120), (3920, 65405), (4120, 62230), (4445, 57680), (4900, 52324), (5047, 50800), (5080, 50470), (5150, 49784), (5768, 44450), (6223, 41200), (6350, 40376), (7112, 36050), (7210, 35560), (8240, 31115), (8890, 28840), (9800, 26162), (10094, 25400), (10160, 25235), (10300, 24892), (11536, 22225), (12446, 20600), (12700, 20188), (13081, 19600), (14224, 18025), (14420, 17780)]