686614656

素因数分解:

$2^7\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:452

約数の個数: 256

約数和(自身を含む): 2296224000

約数和(自身を除く): 1609609344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 49, 52, 56, 64, 78, 84, 91, 96, 98, 104, 112, 128, 147, 156, 168, 182, 192, 196, 208, 224, 273, 294, 312, 336, 343, 364, 384, 392, 401, 416, 448, 546, 588, 624, 637, 672, 686, 728, 784, 802, 832, 896, 1029, 1092, 1176, 1203, 1248, 1274, 1344, 1372, 1456, 1568, 1604, 1664, 1911, 2058, 2184, 2352, 2406, 2496, 2548, 2688, 2744, 2807, 2912, 3136, 3208, 3822, 4116, 4368, 4459, 4704, 4812, 4992, 5096, 5213, 5488, 5614, 5824, 6272, 6416, 7644, 8232, 8421, 8736, 8918, 9408, 9624, 10192, 10426, 10976, 11228, 11648, 12832, 13377, 15288, 15639, 16464, 16842, 17472, 17836, 18816, 19248, 19649, 20384, 20852, 21952, 22456, 25664, 26754, 30576, 31278, 32928, 33684, 34944, 35672, 36491, 38496, 39298, 40768, 41704, 43904, 44912, 51328, 53508, 58947, 61152, 62556, 65856, 67368, 71344, 72982, 76992, 78596, 81536, 83408, 89824, 107016, 109473, 117894, 122304, 125112, 131712, 134736, 137543, 142688, 145964, 153984, 157192, 166816, 179648, 214032, 218946, 235788, 244608, 250224, 255437, 269472, 275086, 285376, 291928, 314384, 333632, 359296, 412629, 428064, 437892, 471576, 500448, 510874, 538944, 550172, 570752, 583856, 628768, 667264, 766311, 825258, 856128, 875784, 943152, 1000896, 1021748, 1077888, 1100344, 1167712, 1257536, 1532622, 1650516, 1712256, 1751568, 1788059, 1886304, 2001792, 2043496, 2200688, 2335424, 2515072, 3065244, 3301032, 3503136, 3576118, 3772608, 4086992, 4401376, 4670848, 5364177, 6130488, 6602064, 7006272, 7152236, 7545216, 8173984, 8802752, 10728354, 12260976, 13204128, 14012544, 14304472, 16347968, 17605504, 21456708, 24521952, 26408256, 28608944, 32695936, 42913416, 49043904, 52816512, 57217888, 85826832, 98087808, 114435776, 171653664, 228871552, 343307328, 686614656]

約数ペア:

[(1, 686614656), (2, 343307328), (3, 228871552), (4, 171653664), (6, 114435776), (7, 98087808), (8, 85826832), (12, 57217888), (13, 52816512), (14, 49043904), (16, 42913416), (21, 32695936), (24, 28608944), (26, 26408256), (28, 24521952), (32, 21456708), (39, 17605504), (42, 16347968), (48, 14304472), (49, 14012544), (52, 13204128), (56, 12260976), (64, 10728354), (78, 8802752), (84, 8173984), (91, 7545216), (96, 7152236), (98, 7006272), (104, 6602064), (112, 6130488), (128, 5364177), (147, 4670848), (156, 4401376), (168, 4086992), (182, 3772608), (192, 3576118), (196, 3503136), (208, 3301032), (224, 3065244), (273, 2515072), (294, 2335424), (312, 2200688), (336, 2043496), (343, 2001792), (364, 1886304), (384, 1788059), (392, 1751568), (401, 1712256), (416, 1650516), (448, 1532622), (546, 1257536), (588, 1167712), (624, 1100344), (637, 1077888), (672, 1021748), (686, 1000896), (728, 943152), (784, 875784), (802, 856128), (832, 825258), (896, 766311), (1029, 667264), (1092, 628768), (1176, 583856), (1203, 570752), (1248, 550172), (1274, 538944), (1344, 510874), (1372, 500448), (1456, 471576), (1568, 437892), (1604, 428064), (1664, 412629), (1911, 359296), (2058, 333632), (2184, 314384), (2352, 291928), (2406, 285376), (2496, 275086), (2548, 269472), (2688, 255437), (2744, 250224), (2807, 244608), (2912, 235788), (3136, 218946), (3208, 214032), (3822, 179648), (4116, 166816), (4368, 157192), (4459, 153984), (4704, 145964), (4812, 142688), (4992, 137543), (5096, 134736), (5213, 131712), (5488, 125112), (5614, 122304), (5824, 117894), (6272, 109473), (6416, 107016), (7644, 89824), (8232, 83408), (8421, 81536), (8736, 78596), (8918, 76992), (9408, 72982), (9624, 71344), (10192, 67368), (10426, 65856), (10976, 62556), (11228, 61152), (11648, 58947), (12832, 53508), (13377, 51328), (15288, 44912), (15639, 43904), (16464, 41704), (16842, 40768), (17472, 39298), (17836, 38496), (18816, 36491), (19248, 35672), (19649, 34944), (20384, 33684), (20852, 32928), (21952, 31278), (22456, 30576), (25664, 26754)]