721858560

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:442

約数の個数: 208

約数和(自身を含む): 2390461440

約数和(自身を除く): 1668602880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 379, 384, 465, 480, 496, 512, 620, 640, 744, 758, 768, 930, 960, 992, 1024, 1137, 1240, 1280, 1488, 1516, 1536, 1860, 1895, 1920, 1984, 2048, 2274, 2480, 2560, 2976, 3032, 3072, 3720, 3790, 3840, 3968, 4096, 4548, 4960, 5120, 5685, 5952, 6064, 6144, 7440, 7580, 7680, 7936, 9096, 9920, 10240, 11370, 11749, 11904, 12128, 12288, 14880, 15160, 15360, 15872, 18192, 19840, 20480, 22740, 23498, 23808, 24256, 29760, 30320, 30720, 31744, 35247, 36384, 39680, 45480, 46996, 47616, 48512, 58745, 59520, 60640, 61440, 63488, 70494, 72768, 79360, 90960, 93992, 95232, 97024, 117490, 119040, 121280, 126976, 140988, 145536, 158720, 176235, 181920, 187984, 190464, 194048, 234980, 238080, 242560, 281976, 291072, 317440, 352470, 363840, 375968, 380928, 388096, 469960, 476160, 485120, 563952, 582144, 634880, 704940, 727680, 751936, 776192, 939920, 952320, 970240, 1127904, 1164288, 1409880, 1455360, 1503872, 1552384, 1879840, 1904640, 1940480, 2255808, 2328576, 2819760, 2910720, 3007744, 3759680, 3880960, 4511616, 4657152, 5639520, 5821440, 6015488, 7519360, 7761920, 9023232, 11279040, 11642880, 12030976, 15038720, 18046464, 22558080, 23285760, 24061952, 30077440, 36092928, 45116160, 48123904, 60154880, 72185856, 90232320, 120309760, 144371712, 180464640, 240619520, 360929280, 721858560]

約数ペア:

[(1, 721858560), (2, 360929280), (3, 240619520), (4, 180464640), (5, 144371712), (6, 120309760), (8, 90232320), (10, 72185856), (12, 60154880), (15, 48123904), (16, 45116160), (20, 36092928), (24, 30077440), (30, 24061952), (31, 23285760), (32, 22558080), (40, 18046464), (48, 15038720), (60, 12030976), (62, 11642880), (64, 11279040), (80, 9023232), (93, 7761920), (96, 7519360), (120, 6015488), (124, 5821440), (128, 5639520), (155, 4657152), (160, 4511616), (186, 3880960), (192, 3759680), (240, 3007744), (248, 2910720), (256, 2819760), (310, 2328576), (320, 2255808), (372, 1940480), (379, 1904640), (384, 1879840), (465, 1552384), (480, 1503872), (496, 1455360), (512, 1409880), (620, 1164288), (640, 1127904), (744, 970240), (758, 952320), (768, 939920), (930, 776192), (960, 751936), (992, 727680), (1024, 704940), (1137, 634880), (1240, 582144), (1280, 563952), (1488, 485120), (1516, 476160), (1536, 469960), (1860, 388096), (1895, 380928), (1920, 375968), (1984, 363840), (2048, 352470), (2274, 317440), (2480, 291072), (2560, 281976), (2976, 242560), (3032, 238080), (3072, 234980), (3720, 194048), (3790, 190464), (3840, 187984), (3968, 181920), (4096, 176235), (4548, 158720), (4960, 145536), (5120, 140988), (5685, 126976), (5952, 121280), (6064, 119040), (6144, 117490), (7440, 97024), (7580, 95232), (7680, 93992), (7936, 90960), (9096, 79360), (9920, 72768), (10240, 70494), (11370, 63488), (11749, 61440), (11904, 60640), (12128, 59520), (12288, 58745), (14880, 48512), (15160, 47616), (15360, 46996), (15872, 45480), (18192, 39680), (19840, 36384), (20480, 35247), (22740, 31744), (23498, 30720), (23808, 30320), (24256, 29760)]