1620979584

素因数分解:

$2^7\times 3^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:466

約数の個数: 256

約数和(自身を含む): 5196288000

約数和(自身を除く): 3575308416

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 49, 56, 62, 64, 84, 93, 96, 98, 112, 124, 128, 147, 168, 186, 192, 196, 217, 224, 248, 294, 336, 343, 372, 384, 392, 397, 434, 448, 496, 588, 651, 672, 686, 744, 784, 794, 868, 896, 992, 1029, 1176, 1191, 1302, 1344, 1372, 1488, 1519, 1568, 1588, 1736, 1984, 2058, 2352, 2382, 2604, 2688, 2744, 2779, 2976, 3038, 3136, 3176, 3472, 3968, 4116, 4557, 4704, 4764, 5208, 5488, 5558, 5952, 6076, 6272, 6352, 6944, 8232, 8337, 9114, 9408, 9528, 10416, 10633, 10976, 11116, 11904, 12152, 12307, 12704, 13888, 16464, 16674, 18228, 18816, 19056, 19453, 20832, 21266, 21952, 22232, 24304, 24614, 25408, 27776, 31899, 32928, 33348, 36456, 36921, 38112, 38906, 41664, 42532, 43904, 44464, 48608, 49228, 50816, 58359, 63798, 65856, 66696, 72912, 73842, 76224, 77812, 83328, 85064, 86149, 88928, 97216, 98456, 116718, 127596, 131712, 133392, 136171, 145824, 147684, 152448, 155624, 170128, 172298, 177856, 194432, 196912, 233436, 255192, 258447, 266784, 272342, 291648, 295368, 311248, 340256, 344596, 355712, 393824, 408513, 466872, 510384, 516894, 533568, 544684, 583296, 590736, 603043, 622496, 680512, 689192, 787648, 817026, 933744, 1020768, 1033788, 1067136, 1089368, 1181472, 1206086, 1244992, 1361024, 1378384, 1575296, 1634052, 1809129, 1867488, 2041536, 2067576, 2178736, 2362944, 2412172, 2489984, 2756768, 3268104, 3618258, 3734976, 4083072, 4135152, 4221301, 4357472, 4725888, 4824344, 5513536, 6536208, 7236516, 7469952, 8270304, 8442602, 8714944, 9648688, 11027072, 12663903, 13072416, 14473032, 16540608, 16885204, 17429888, 19297376, 25327806, 26144832, 28946064, 33081216, 33770408, 38594752, 50655612, 52289664, 57892128, 67540816, 77189504, 101311224, 115784256, 135081632, 202622448, 231568512, 270163264, 405244896, 540326528, 810489792, 1620979584]

約数ペア:

[(1, 1620979584), (2, 810489792), (3, 540326528), (4, 405244896), (6, 270163264), (7, 231568512), (8, 202622448), (12, 135081632), (14, 115784256), (16, 101311224), (21, 77189504), (24, 67540816), (28, 57892128), (31, 52289664), (32, 50655612), (42, 38594752), (48, 33770408), (49, 33081216), (56, 28946064), (62, 26144832), (64, 25327806), (84, 19297376), (93, 17429888), (96, 16885204), (98, 16540608), (112, 14473032), (124, 13072416), (128, 12663903), (147, 11027072), (168, 9648688), (186, 8714944), (192, 8442602), (196, 8270304), (217, 7469952), (224, 7236516), (248, 6536208), (294, 5513536), (336, 4824344), (343, 4725888), (372, 4357472), (384, 4221301), (392, 4135152), (397, 4083072), (434, 3734976), (448, 3618258), (496, 3268104), (588, 2756768), (651, 2489984), (672, 2412172), (686, 2362944), (744, 2178736), (784, 2067576), (794, 2041536), (868, 1867488), (896, 1809129), (992, 1634052), (1029, 1575296), (1176, 1378384), (1191, 1361024), (1302, 1244992), (1344, 1206086), (1372, 1181472), (1488, 1089368), (1519, 1067136), (1568, 1033788), (1588, 1020768), (1736, 933744), (1984, 817026), (2058, 787648), (2352, 689192), (2382, 680512), (2604, 622496), (2688, 603043), (2744, 590736), (2779, 583296), (2976, 544684), (3038, 533568), (3136, 516894), (3176, 510384), (3472, 466872), (3968, 408513), (4116, 393824), (4557, 355712), (4704, 344596), (4764, 340256), (5208, 311248), (5488, 295368), (5558, 291648), (5952, 272342), (6076, 266784), (6272, 258447), (6352, 255192), (6944, 233436), (8232, 196912), (8337, 194432), (9114, 177856), (9408, 172298), (9528, 170128), (10416, 155624), (10633, 152448), (10976, 147684), (11116, 145824), (11904, 136171), (12152, 133392), (12307, 131712), (12704, 127596), (13888, 116718), (16464, 98456), (16674, 97216), (18228, 88928), (18816, 86149), (19056, 85064), (19453, 83328), (20832, 77812), (21266, 76224), (21952, 73842), (22232, 72912), (24304, 66696), (24614, 65856), (25408, 63798), (27776, 58359), (31899, 50816), (32928, 49228), (33348, 48608), (36456, 44464), (36921, 43904), (38112, 42532), (38906, 41664)]