664959456

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{547}}^1$

素因数の和:643

約数の個数: 240

約数和(自身を含む): 2272507776

約数和(自身を除く): 1607548320

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 67, 72, 81, 84, 96, 108, 112, 126, 134, 144, 162, 168, 189, 201, 216, 224, 252, 268, 288, 324, 336, 378, 402, 432, 469, 504, 536, 547, 567, 603, 648, 672, 756, 804, 864, 938, 1008, 1072, 1094, 1134, 1206, 1296, 1407, 1512, 1608, 1641, 1809, 1876, 2016, 2144, 2188, 2268, 2412, 2592, 2814, 3024, 3216, 3282, 3618, 3752, 3829, 4221, 4376, 4536, 4824, 4923, 5427, 5628, 6048, 6432, 6564, 7236, 7504, 7658, 8442, 8752, 9072, 9648, 9846, 10854, 11256, 11487, 12663, 13128, 14472, 14769, 15008, 15316, 16884, 17504, 18144, 19296, 19692, 21708, 22512, 22974, 25326, 26256, 28944, 29538, 30632, 33768, 34461, 36649, 37989, 39384, 43416, 44307, 45024, 45948, 50652, 52512, 57888, 59076, 61264, 67536, 68922, 73298, 75978, 78768, 86832, 88614, 91896, 101304, 103383, 109947, 118152, 122528, 135072, 137844, 146596, 151956, 157536, 173664, 177228, 183792, 202608, 206766, 219894, 236304, 256543, 275688, 293192, 303912, 310149, 329841, 354456, 367584, 405216, 413532, 439788, 472608, 513086, 551376, 586384, 607824, 620298, 659682, 708912, 769629, 827064, 879576, 989523, 1026172, 1102752, 1172768, 1215648, 1240596, 1319364, 1417824, 1539258, 1654128, 1759152, 1979046, 2052344, 2308887, 2481192, 2638728, 2968569, 3078516, 3308256, 3518304, 3958092, 4104688, 4617774, 4962384, 5277456, 5937138, 6157032, 6926661, 7916184, 8209376, 9235548, 9924768, 10554912, 11874276, 12314064, 13853322, 15832368, 18471096, 20779983, 23748552, 24628128, 27706644, 31664736, 36942192, 41559966, 47497104, 55413288, 73884384, 83119932, 94994208, 110826576, 166239864, 221653152, 332479728, 664959456]

約数ペア:

[(1, 664959456), (2, 332479728), (3, 221653152), (4, 166239864), (6, 110826576), (7, 94994208), (8, 83119932), (9, 73884384), (12, 55413288), (14, 47497104), (16, 41559966), (18, 36942192), (21, 31664736), (24, 27706644), (27, 24628128), (28, 23748552), (32, 20779983), (36, 18471096), (42, 15832368), (48, 13853322), (54, 12314064), (56, 11874276), (63, 10554912), (67, 9924768), (72, 9235548), (81, 8209376), (84, 7916184), (96, 6926661), (108, 6157032), (112, 5937138), (126, 5277456), (134, 4962384), (144, 4617774), (162, 4104688), (168, 3958092), (189, 3518304), (201, 3308256), (216, 3078516), (224, 2968569), (252, 2638728), (268, 2481192), (288, 2308887), (324, 2052344), (336, 1979046), (378, 1759152), (402, 1654128), (432, 1539258), (469, 1417824), (504, 1319364), (536, 1240596), (547, 1215648), (567, 1172768), (603, 1102752), (648, 1026172), (672, 989523), (756, 879576), (804, 827064), (864, 769629), (938, 708912), (1008, 659682), (1072, 620298), (1094, 607824), (1134, 586384), (1206, 551376), (1296, 513086), (1407, 472608), (1512, 439788), (1608, 413532), (1641, 405216), (1809, 367584), (1876, 354456), (2016, 329841), (2144, 310149), (2188, 303912), (2268, 293192), (2412, 275688), (2592, 256543), (2814, 236304), (3024, 219894), (3216, 206766), (3282, 202608), (3618, 183792), (3752, 177228), (3829, 173664), (4221, 157536), (4376, 151956), (4536, 146596), (4824, 137844), (4923, 135072), (5427, 122528), (5628, 118152), (6048, 109947), (6432, 103383), (6564, 101304), (7236, 91896), (7504, 88614), (7658, 86832), (8442, 78768), (8752, 75978), (9072, 73298), (9648, 68922), (9846, 67536), (10854, 61264), (11256, 59076), (11487, 57888), (12663, 52512), (13128, 50652), (14472, 45948), (14769, 45024), (15008, 44307), (15316, 43416), (16884, 39384), (17504, 37989), (18144, 36649), (19296, 34461), (19692, 33768), (21708, 30632), (22512, 29538), (22974, 28944), (25326, 26256)]