64871520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:517

約数の個数: 192

約数和(自身を含む): 239500800

約数和(自身を除く): 174629280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 96, 105, 112, 120, 129, 140, 160, 168, 172, 210, 215, 224, 240, 258, 280, 301, 336, 344, 420, 430, 449, 480, 516, 560, 602, 645, 672, 688, 840, 860, 898, 903, 1032, 1120, 1204, 1290, 1347, 1376, 1505, 1680, 1720, 1796, 1806, 2064, 2245, 2408, 2580, 2694, 3010, 3143, 3360, 3440, 3592, 3612, 4128, 4490, 4515, 4816, 5160, 5388, 6020, 6286, 6735, 6880, 7184, 7224, 8980, 9030, 9429, 9632, 10320, 10776, 12040, 12572, 13470, 14368, 14448, 15715, 17960, 18060, 18858, 19307, 20640, 21552, 24080, 25144, 26940, 28896, 31430, 35920, 36120, 37716, 38614, 43104, 47145, 48160, 50288, 53880, 57921, 62860, 71840, 72240, 75432, 77228, 94290, 96535, 100576, 107760, 115842, 125720, 135149, 144480, 150864, 154456, 188580, 193070, 215520, 231684, 251440, 270298, 289605, 301728, 308912, 377160, 386140, 405447, 463368, 502880, 540596, 579210, 617824, 675745, 754320, 772280, 810894, 926736, 1081192, 1158420, 1351490, 1508640, 1544560, 1621788, 1853472, 2027235, 2162384, 2316840, 2702980, 3089120, 3243576, 4054470, 4324768, 4633680, 5405960, 6487152, 8108940, 9267360, 10811920, 12974304, 16217880, 21623840, 32435760, 64871520]

約数ペア:

[(1, 64871520), (2, 32435760), (3, 21623840), (4, 16217880), (5, 12974304), (6, 10811920), (7, 9267360), (8, 8108940), (10, 6487152), (12, 5405960), (14, 4633680), (15, 4324768), (16, 4054470), (20, 3243576), (21, 3089120), (24, 2702980), (28, 2316840), (30, 2162384), (32, 2027235), (35, 1853472), (40, 1621788), (42, 1544560), (43, 1508640), (48, 1351490), (56, 1158420), (60, 1081192), (70, 926736), (80, 810894), (84, 772280), (86, 754320), (96, 675745), (105, 617824), (112, 579210), (120, 540596), (129, 502880), (140, 463368), (160, 405447), (168, 386140), (172, 377160), (210, 308912), (215, 301728), (224, 289605), (240, 270298), (258, 251440), (280, 231684), (301, 215520), (336, 193070), (344, 188580), (420, 154456), (430, 150864), (449, 144480), (480, 135149), (516, 125720), (560, 115842), (602, 107760), (645, 100576), (672, 96535), (688, 94290), (840, 77228), (860, 75432), (898, 72240), (903, 71840), (1032, 62860), (1120, 57921), (1204, 53880), (1290, 50288), (1347, 48160), (1376, 47145), (1505, 43104), (1680, 38614), (1720, 37716), (1796, 36120), (1806, 35920), (2064, 31430), (2245, 28896), (2408, 26940), (2580, 25144), (2694, 24080), (3010, 21552), (3143, 20640), (3360, 19307), (3440, 18858), (3592, 18060), (3612, 17960), (4128, 15715), (4490, 14448), (4515, 14368), (4816, 13470), (5160, 12572), (5388, 12040), (6020, 10776), (6286, 10320), (6735, 9632), (6880, 9429), (7184, 9030), (7224, 8980)]