251631744

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:435

約数の個数: 256

約数和(自身を含む): 868224000

約数和(自身を除く): 616592256

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 19, 21, 24, 26, 28, 32, 38, 39, 42, 48, 52, 56, 57, 64, 76, 78, 84, 91, 96, 104, 112, 114, 128, 133, 152, 156, 168, 182, 192, 208, 224, 228, 247, 266, 273, 304, 312, 336, 364, 379, 384, 399, 416, 448, 456, 494, 532, 546, 608, 624, 672, 728, 741, 758, 798, 832, 896, 912, 988, 1064, 1092, 1137, 1216, 1248, 1344, 1456, 1482, 1516, 1596, 1664, 1729, 1824, 1976, 2128, 2184, 2274, 2432, 2496, 2653, 2688, 2912, 2964, 3032, 3192, 3458, 3648, 3952, 4256, 4368, 4548, 4927, 4992, 5187, 5306, 5824, 5928, 6064, 6384, 6916, 7201, 7296, 7904, 7959, 8512, 8736, 9096, 9854, 10374, 10612, 11648, 11856, 12128, 12768, 13832, 14402, 14781, 15808, 15918, 17024, 17472, 18192, 19708, 20748, 21224, 21603, 23712, 24256, 25536, 27664, 28804, 29562, 31616, 31836, 34489, 34944, 36384, 39416, 41496, 42448, 43206, 47424, 48512, 50407, 51072, 55328, 57608, 59124, 63672, 68978, 72768, 78832, 82992, 84896, 86412, 93613, 94848, 100814, 103467, 110656, 115216, 118248, 127344, 137956, 145536, 151221, 157664, 165984, 169792, 172824, 187226, 201628, 206934, 221312, 230432, 236496, 254688, 275912, 280839, 302442, 315328, 331968, 339584, 345648, 374452, 403256, 413868, 460864, 472992, 509376, 551824, 561678, 604884, 630656, 655291, 663936, 691296, 748904, 806512, 827736, 921728, 945984, 1018752, 1103648, 1123356, 1209768, 1310582, 1382592, 1497808, 1613024, 1655472, 1891968, 1965873, 2207296, 2246712, 2419536, 2621164, 2765184, 2995616, 3226048, 3310944, 3931746, 4414592, 4493424, 4839072, 5242328, 5991232, 6452096, 6621888, 7863492, 8986848, 9678144, 10484656, 11982464, 13243776, 15726984, 17973696, 19356288, 20969312, 31453968, 35947392, 41938624, 62907936, 83877248, 125815872, 251631744]

約数ペア:

[(1, 251631744), (2, 125815872), (3, 83877248), (4, 62907936), (6, 41938624), (7, 35947392), (8, 31453968), (12, 20969312), (13, 19356288), (14, 17973696), (16, 15726984), (19, 13243776), (21, 11982464), (24, 10484656), (26, 9678144), (28, 8986848), (32, 7863492), (38, 6621888), (39, 6452096), (42, 5991232), (48, 5242328), (52, 4839072), (56, 4493424), (57, 4414592), (64, 3931746), (76, 3310944), (78, 3226048), (84, 2995616), (91, 2765184), (96, 2621164), (104, 2419536), (112, 2246712), (114, 2207296), (128, 1965873), (133, 1891968), (152, 1655472), (156, 1613024), (168, 1497808), (182, 1382592), (192, 1310582), (208, 1209768), (224, 1123356), (228, 1103648), (247, 1018752), (266, 945984), (273, 921728), (304, 827736), (312, 806512), (336, 748904), (364, 691296), (379, 663936), (384, 655291), (399, 630656), (416, 604884), (448, 561678), (456, 551824), (494, 509376), (532, 472992), (546, 460864), (608, 413868), (624, 403256), (672, 374452), (728, 345648), (741, 339584), (758, 331968), (798, 315328), (832, 302442), (896, 280839), (912, 275912), (988, 254688), (1064, 236496), (1092, 230432), (1137, 221312), (1216, 206934), (1248, 201628), (1344, 187226), (1456, 172824), (1482, 169792), (1516, 165984), (1596, 157664), (1664, 151221), (1729, 145536), (1824, 137956), (1976, 127344), (2128, 118248), (2184, 115216), (2274, 110656), (2432, 103467), (2496, 100814), (2653, 94848), (2688, 93613), (2912, 86412), (2964, 84896), (3032, 82992), (3192, 78832), (3458, 72768), (3648, 68978), (3952, 63672), (4256, 59124), (4368, 57608), (4548, 55328), (4927, 51072), (4992, 50407), (5187, 48512), (5306, 47424), (5824, 43206), (5928, 42448), (6064, 41496), (6384, 39416), (6916, 36384), (7201, 34944), (7296, 34489), (7904, 31836), (7959, 31616), (8512, 29562), (8736, 28804), (9096, 27664), (9854, 25536), (10374, 24256), (10612, 23712), (11648, 21603), (11856, 21224), (12128, 20748), (12768, 19708), (13832, 18192), (14402, 17472), (14781, 17024), (15808, 15918)]