641863040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:249

約数の個数: 256

約数和(自身を含む): 1924715520

約数和(自身を除く): 1282852480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 103, 104, 107, 112, 128, 130, 140, 160, 182, 206, 208, 214, 224, 260, 280, 320, 364, 412, 416, 428, 448, 455, 515, 520, 535, 560, 640, 721, 728, 749, 824, 832, 856, 896, 910, 1030, 1040, 1070, 1120, 1339, 1391, 1442, 1456, 1498, 1648, 1664, 1712, 1820, 2060, 2080, 2140, 2240, 2678, 2782, 2884, 2912, 2996, 3296, 3424, 3605, 3640, 3745, 4120, 4160, 4280, 4480, 5356, 5564, 5768, 5824, 5992, 6592, 6695, 6848, 6955, 7210, 7280, 7490, 8240, 8320, 8560, 9373, 9737, 10712, 11021, 11128, 11536, 11648, 11984, 13184, 13390, 13696, 13910, 14420, 14560, 14980, 16480, 17120, 18746, 19474, 21424, 22042, 22256, 23072, 23968, 26780, 27820, 28840, 29120, 29960, 32960, 34240, 37492, 38948, 42848, 44084, 44512, 46144, 46865, 47936, 48685, 53560, 55105, 55640, 57680, 58240, 59920, 65920, 68480, 74984, 77147, 77896, 85696, 88168, 89024, 92288, 93730, 95872, 97370, 107120, 110210, 111280, 115360, 119840, 143273, 149968, 154294, 155792, 171392, 176336, 178048, 187460, 194740, 214240, 220420, 222560, 230720, 239680, 286546, 299936, 308588, 311584, 352672, 374920, 385735, 389480, 428480, 440840, 445120, 461440, 479360, 573092, 599872, 617176, 623168, 705344, 716365, 749840, 771470, 778960, 856960, 881680, 890240, 1002911, 1146184, 1199744, 1234352, 1246336, 1410688, 1432730, 1499680, 1542940, 1557920, 1763360, 2005822, 2292368, 2468704, 2865460, 2999360, 3085880, 3115840, 3526720, 4011644, 4584736, 4937408, 5014555, 5730920, 5998720, 6171760, 6231680, 7053440, 8023288, 9169472, 9874816, 10029110, 11461840, 12343520, 16046576, 18338944, 20058220, 22923680, 24687040, 32093152, 40116440, 45847360, 49374080, 64186304, 80232880, 91694720, 128372608, 160465760, 320931520, 641863040]

約数ペア:

[(1, 641863040), (2, 320931520), (4, 160465760), (5, 128372608), (7, 91694720), (8, 80232880), (10, 64186304), (13, 49374080), (14, 45847360), (16, 40116440), (20, 32093152), (26, 24687040), (28, 22923680), (32, 20058220), (35, 18338944), (40, 16046576), (52, 12343520), (56, 11461840), (64, 10029110), (65, 9874816), (70, 9169472), (80, 8023288), (91, 7053440), (103, 6231680), (104, 6171760), (107, 5998720), (112, 5730920), (128, 5014555), (130, 4937408), (140, 4584736), (160, 4011644), (182, 3526720), (206, 3115840), (208, 3085880), (214, 2999360), (224, 2865460), (260, 2468704), (280, 2292368), (320, 2005822), (364, 1763360), (412, 1557920), (416, 1542940), (428, 1499680), (448, 1432730), (455, 1410688), (515, 1246336), (520, 1234352), (535, 1199744), (560, 1146184), (640, 1002911), (721, 890240), (728, 881680), (749, 856960), (824, 778960), (832, 771470), (856, 749840), (896, 716365), (910, 705344), (1030, 623168), (1040, 617176), (1070, 599872), (1120, 573092), (1339, 479360), (1391, 461440), (1442, 445120), (1456, 440840), (1498, 428480), (1648, 389480), (1664, 385735), (1712, 374920), (1820, 352672), (2060, 311584), (2080, 308588), (2140, 299936), (2240, 286546), (2678, 239680), (2782, 230720), (2884, 222560), (2912, 220420), (2996, 214240), (3296, 194740), (3424, 187460), (3605, 178048), (3640, 176336), (3745, 171392), (4120, 155792), (4160, 154294), (4280, 149968), (4480, 143273), (5356, 119840), (5564, 115360), (5768, 111280), (5824, 110210), (5992, 107120), (6592, 97370), (6695, 95872), (6848, 93730), (6955, 92288), (7210, 89024), (7280, 88168), (7490, 85696), (8240, 77896), (8320, 77147), (8560, 74984), (9373, 68480), (9737, 65920), (10712, 59920), (11021, 58240), (11128, 57680), (11536, 55640), (11648, 55105), (11984, 53560), (13184, 48685), (13390, 47936), (13696, 46865), (13910, 46144), (14420, 44512), (14560, 44084), (14980, 42848), (16480, 38948), (17120, 37492), (18746, 34240), (19474, 32960), (21424, 29960), (22042, 29120), (22256, 28840), (23072, 27820), (23968, 26780)]