681477888

素因数分解:

$2^8\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:252

約数の個数: 288

約数和(自身を含む): 2289280000

約数和(自身を除く): 1607802112

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, 199, 208, 224, 256, 273, 294, 312, 336, 343, 364, 384, 392, 398, 416, 448, 546, 588, 597, 624, 637, 672, 686, 728, 768, 784, 796, 832, 896, 1029, 1092, 1176, 1194, 1248, 1274, 1344, 1372, 1393, 1456, 1568, 1592, 1664, 1792, 1911, 2058, 2184, 2352, 2388, 2496, 2548, 2587, 2688, 2744, 2786, 2912, 3136, 3184, 3328, 3822, 4116, 4179, 4368, 4459, 4704, 4776, 4992, 5096, 5174, 5376, 5488, 5572, 5824, 6272, 6368, 7644, 7761, 8232, 8358, 8736, 8918, 9408, 9552, 9751, 9984, 10192, 10348, 10976, 11144, 11648, 12544, 12736, 13377, 15288, 15522, 16464, 16716, 17472, 17836, 18109, 18816, 19104, 19502, 20384, 20696, 21952, 22288, 23296, 25472, 26754, 29253, 30576, 31044, 32928, 33432, 34944, 35672, 36218, 37632, 38208, 39004, 40768, 41392, 43904, 44576, 50944, 53508, 54327, 58506, 61152, 62088, 65856, 66864, 68257, 69888, 71344, 72436, 76416, 78008, 81536, 82784, 87808, 89152, 107016, 108654, 117012, 122304, 124176, 126763, 131712, 133728, 136514, 142688, 144872, 152832, 156016, 163072, 165568, 178304, 204771, 214032, 217308, 234024, 244608, 248352, 253526, 263424, 267456, 273028, 285376, 289744, 312032, 331136, 356608, 380289, 409542, 428064, 434616, 468048, 489216, 496704, 507052, 534912, 546056, 570752, 579488, 624064, 662272, 760578, 819084, 856128, 869232, 887341, 936096, 993408, 1014104, 1069824, 1092112, 1141504, 1158976, 1248128, 1521156, 1638168, 1712256, 1738464, 1774682, 1872192, 1986816, 2028208, 2184224, 2317952, 2496256, 2662023, 3042312, 3276336, 3424512, 3476928, 3549364, 3744384, 4056416, 4368448, 4635904, 5324046, 6084624, 6552672, 6953856, 7098728, 7488768, 8112832, 8736896, 10648092, 12169248, 13105344, 13907712, 14197456, 16225664, 17473792, 21296184, 24338496, 26210688, 28394912, 32451328, 42592368, 48676992, 52421376, 56789824, 85184736, 97353984, 113579648, 170369472, 227159296, 340738944, 681477888]

約数ペア:

[(1, 681477888), (2, 340738944), (3, 227159296), (4, 170369472), (6, 113579648), (7, 97353984), (8, 85184736), (12, 56789824), (13, 52421376), (14, 48676992), (16, 42592368), (21, 32451328), (24, 28394912), (26, 26210688), (28, 24338496), (32, 21296184), (39, 17473792), (42, 16225664), (48, 14197456), (49, 13907712), (52, 13105344), (56, 12169248), (64, 10648092), (78, 8736896), (84, 8112832), (91, 7488768), (96, 7098728), (98, 6953856), (104, 6552672), (112, 6084624), (128, 5324046), (147, 4635904), (156, 4368448), (168, 4056416), (182, 3744384), (192, 3549364), (196, 3476928), (199, 3424512), (208, 3276336), (224, 3042312), (256, 2662023), (273, 2496256), (294, 2317952), (312, 2184224), (336, 2028208), (343, 1986816), (364, 1872192), (384, 1774682), (392, 1738464), (398, 1712256), (416, 1638168), (448, 1521156), (546, 1248128), (588, 1158976), (597, 1141504), (624, 1092112), (637, 1069824), (672, 1014104), (686, 993408), (728, 936096), (768, 887341), (784, 869232), (796, 856128), (832, 819084), (896, 760578), (1029, 662272), (1092, 624064), (1176, 579488), (1194, 570752), (1248, 546056), (1274, 534912), (1344, 507052), (1372, 496704), (1393, 489216), (1456, 468048), (1568, 434616), (1592, 428064), (1664, 409542), (1792, 380289), (1911, 356608), (2058, 331136), (2184, 312032), (2352, 289744), (2388, 285376), (2496, 273028), (2548, 267456), (2587, 263424), (2688, 253526), (2744, 248352), (2786, 244608), (2912, 234024), (3136, 217308), (3184, 214032), (3328, 204771), (3822, 178304), (4116, 165568), (4179, 163072), (4368, 156016), (4459, 152832), (4704, 144872), (4776, 142688), (4992, 136514), (5096, 133728), (5174, 131712), (5376, 126763), (5488, 124176), (5572, 122304), (5824, 117012), (6272, 108654), (6368, 107016), (7644, 89152), (7761, 87808), (8232, 82784), (8358, 81536), (8736, 78008), (8918, 76416), (9408, 72436), (9552, 71344), (9751, 69888), (9984, 68257), (10192, 66864), (10348, 65856), (10976, 62088), (11144, 61152), (11648, 58506), (12544, 54327), (12736, 53508), (13377, 50944), (15288, 44576), (15522, 43904), (16464, 41392), (16716, 40768), (17472, 39004), (17836, 38208), (18109, 37632), (18816, 36218), (19104, 35672), (19502, 34944), (20384, 33432), (20696, 32928), (21952, 31044), (22288, 30576), (23296, 29253), (25472, 26754)]