642315520

素因数分解:

$2^8\times 5^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:79

約数の個数: 360

約数和(自身を含む): 2061087840

約数和(自身を除く): 1418772320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 32, 35, 38, 40, 44, 49, 55, 56, 64, 70, 76, 77, 80, 88, 95, 98, 110, 112, 128, 133, 140, 152, 154, 160, 176, 190, 196, 209, 220, 224, 245, 256, 266, 280, 304, 308, 320, 343, 352, 380, 385, 392, 418, 440, 448, 490, 532, 539, 560, 608, 616, 640, 665, 686, 704, 760, 770, 784, 836, 880, 896, 931, 980, 1045, 1064, 1078, 1120, 1216, 1232, 1280, 1330, 1372, 1408, 1463, 1520, 1540, 1568, 1672, 1715, 1760, 1792, 1862, 1960, 2090, 2128, 2156, 2240, 2401, 2432, 2464, 2660, 2695, 2744, 2816, 2926, 3040, 3080, 3136, 3344, 3430, 3520, 3724, 3773, 3920, 4180, 4256, 4312, 4480, 4655, 4802, 4864, 4928, 5320, 5390, 5488, 5852, 6080, 6160, 6272, 6517, 6688, 6860, 7040, 7315, 7448, 7546, 7840, 8360, 8512, 8624, 8960, 9310, 9604, 9856, 10241, 10640, 10780, 10976, 11704, 12005, 12160, 12320, 12544, 13034, 13376, 13720, 14080, 14630, 14896, 15092, 15680, 16720, 17024, 17248, 18620, 18865, 19208, 19712, 20482, 21280, 21560, 21952, 23408, 24010, 24320, 24640, 26068, 26411, 26752, 27440, 29260, 29792, 30184, 31360, 32585, 33440, 34048, 34496, 37240, 37730, 38416, 40964, 42560, 43120, 43904, 45619, 46816, 48020, 49280, 51205, 52136, 52822, 53504, 54880, 58520, 59584, 60368, 62720, 65170, 66880, 68992, 71687, 74480, 75460, 76832, 81928, 85120, 86240, 87808, 91238, 93632, 96040, 98560, 102410, 104272, 105644, 109760, 117040, 119168, 120736, 130340, 132055, 133760, 137984, 143374, 148960, 150920, 153664, 163856, 170240, 172480, 182476, 187264, 192080, 204820, 208544, 211288, 219520, 228095, 234080, 238336, 241472, 260680, 264110, 267520, 286748, 297920, 301840, 307328, 327712, 344960, 358435, 364952, 374528, 384160, 409640, 417088, 422576, 439040, 456190, 468160, 482944, 501809, 521360, 528220, 573496, 595840, 603680, 614656, 655424, 689920, 716870, 729904, 768320, 819280, 834176, 845152, 912380, 936320, 965888, 1003618, 1042720, 1056440, 1146992, 1191680, 1207360, 1310848, 1433740, 1459808, 1536640, 1638560, 1668352, 1690304, 1824760, 1872640, 2007236, 2085440, 2112880, 2293984, 2414720, 2509045, 2621696, 2867480, 2919616, 3073280, 3277120, 3380608, 3649520, 4014472, 4170880, 4225760, 4587968, 4829440, 5018090, 5734960, 5839232, 6554240, 6761216, 7299040, 8028944, 8341760, 8451520, 9175936, 10036180, 11469920, 11678464, 13108480, 14598080, 16057888, 16903040, 18351872, 20072360, 22939840, 29196160, 32115776, 33806080, 40144720, 45879680, 58392320, 64231552, 80289440, 91759360, 128463104, 160578880, 321157760, 642315520]

約数ペア:

[(1, 642315520), (2, 321157760), (4, 160578880), (5, 128463104), (7, 91759360), (8, 80289440), (10, 64231552), (11, 58392320), (14, 45879680), (16, 40144720), (19, 33806080), (20, 32115776), (22, 29196160), (28, 22939840), (32, 20072360), (35, 18351872), (38, 16903040), (40, 16057888), (44, 14598080), (49, 13108480), (55, 11678464), (56, 11469920), (64, 10036180), (70, 9175936), (76, 8451520), (77, 8341760), (80, 8028944), (88, 7299040), (95, 6761216), (98, 6554240), (110, 5839232), (112, 5734960), (128, 5018090), (133, 4829440), (140, 4587968), (152, 4225760), (154, 4170880), (160, 4014472), (176, 3649520), (190, 3380608), (196, 3277120), (209, 3073280), (220, 2919616), (224, 2867480), (245, 2621696), (256, 2509045), (266, 2414720), (280, 2293984), (304, 2112880), (308, 2085440), (320, 2007236), (343, 1872640), (352, 1824760), (380, 1690304), (385, 1668352), (392, 1638560), (418, 1536640), (440, 1459808), (448, 1433740), (490, 1310848), (532, 1207360), (539, 1191680), (560, 1146992), (608, 1056440), (616, 1042720), (640, 1003618), (665, 965888), (686, 936320), (704, 912380), (760, 845152), (770, 834176), (784, 819280), (836, 768320), (880, 729904), (896, 716870), (931, 689920), (980, 655424), (1045, 614656), (1064, 603680), (1078, 595840), (1120, 573496), (1216, 528220), (1232, 521360), (1280, 501809), (1330, 482944), (1372, 468160), (1408, 456190), (1463, 439040), (1520, 422576), (1540, 417088), (1568, 409640), (1672, 384160), (1715, 374528), (1760, 364952), (1792, 358435), (1862, 344960), (1960, 327712), (2090, 307328), (2128, 301840), (2156, 297920), (2240, 286748), (2401, 267520), (2432, 264110), (2464, 260680), (2660, 241472), (2695, 238336), (2744, 234080), (2816, 228095), (2926, 219520), (3040, 211288), (3080, 208544), (3136, 204820), (3344, 192080), (3430, 187264), (3520, 182476), (3724, 172480), (3773, 170240), (3920, 163856), (4180, 153664), (4256, 150920), (4312, 148960), (4480, 143374), (4655, 137984), (4802, 133760), (4864, 132055), (4928, 130340), (5320, 120736), (5390, 119168), (5488, 117040), (5852, 109760), (6080, 105644), (6160, 104272), (6272, 102410), (6517, 98560), (6688, 96040), (6860, 93632), (7040, 91238), (7315, 87808), (7448, 86240), (7546, 85120), (7840, 81928), (8360, 76832), (8512, 75460), (8624, 74480), (8960, 71687), (9310, 68992), (9604, 66880), (9856, 65170), (10241, 62720), (10640, 60368), (10780, 59584), (10976, 58520), (11704, 54880), (12005, 53504), (12160, 52822), (12320, 52136), (12544, 51205), (13034, 49280), (13376, 48020), (13720, 46816), (14080, 45619), (14630, 43904), (14896, 43120), (15092, 42560), (15680, 40964), (16720, 38416), (17024, 37730), (17248, 37240), (18620, 34496), (18865, 34048), (19208, 33440), (19712, 32585), (20482, 31360), (21280, 30184), (21560, 29792), (21952, 29260), (23408, 27440), (24010, 26752), (24320, 26411), (24640, 26068)]