15720320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1$

素因数の和:77

約数の個数: 192

約数和(自身を含む): 48837600

約数和(自身を除く): 33117280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 29, 32, 35, 40, 44, 55, 56, 58, 64, 70, 77, 80, 88, 110, 112, 116, 121, 128, 140, 145, 154, 160, 176, 203, 220, 224, 232, 242, 280, 290, 308, 319, 320, 352, 385, 406, 440, 448, 464, 484, 560, 580, 605, 616, 638, 640, 704, 770, 812, 847, 880, 896, 928, 968, 1015, 1120, 1160, 1210, 1232, 1276, 1408, 1540, 1595, 1624, 1694, 1760, 1856, 1936, 2030, 2233, 2240, 2320, 2420, 2464, 2552, 3080, 3190, 3248, 3388, 3509, 3520, 3712, 3872, 4060, 4235, 4466, 4480, 4640, 4840, 4928, 5104, 6160, 6380, 6496, 6776, 7018, 7040, 7744, 8120, 8470, 8932, 9280, 9680, 9856, 10208, 11165, 12320, 12760, 12992, 13552, 14036, 15488, 16240, 16940, 17545, 17864, 18560, 19360, 20416, 22330, 24563, 24640, 25520, 25984, 27104, 28072, 32480, 33880, 35090, 35728, 38720, 40832, 44660, 49126, 49280, 51040, 54208, 56144, 64960, 67760, 70180, 71456, 77440, 89320, 98252, 102080, 108416, 112288, 122815, 129920, 135520, 140360, 142912, 178640, 196504, 204160, 224576, 245630, 271040, 280720, 285824, 357280, 393008, 449152, 491260, 542080, 561440, 714560, 786016, 982520, 1122880, 1429120, 1572032, 1965040, 2245760, 3144064, 3930080, 7860160, 15720320]

約数ペア:

[(1, 15720320), (2, 7860160), (4, 3930080), (5, 3144064), (7, 2245760), (8, 1965040), (10, 1572032), (11, 1429120), (14, 1122880), (16, 982520), (20, 786016), (22, 714560), (28, 561440), (29, 542080), (32, 491260), (35, 449152), (40, 393008), (44, 357280), (55, 285824), (56, 280720), (58, 271040), (64, 245630), (70, 224576), (77, 204160), (80, 196504), (88, 178640), (110, 142912), (112, 140360), (116, 135520), (121, 129920), (128, 122815), (140, 112288), (145, 108416), (154, 102080), (160, 98252), (176, 89320), (203, 77440), (220, 71456), (224, 70180), (232, 67760), (242, 64960), (280, 56144), (290, 54208), (308, 51040), (319, 49280), (320, 49126), (352, 44660), (385, 40832), (406, 38720), (440, 35728), (448, 35090), (464, 33880), (484, 32480), (560, 28072), (580, 27104), (605, 25984), (616, 25520), (638, 24640), (640, 24563), (704, 22330), (770, 20416), (812, 19360), (847, 18560), (880, 17864), (896, 17545), (928, 16940), (968, 16240), (1015, 15488), (1120, 14036), (1160, 13552), (1210, 12992), (1232, 12760), (1276, 12320), (1408, 11165), (1540, 10208), (1595, 9856), (1624, 9680), (1694, 9280), (1760, 8932), (1856, 8470), (1936, 8120), (2030, 7744), (2233, 7040), (2240, 7018), (2320, 6776), (2420, 6496), (2464, 6380), (2552, 6160), (3080, 5104), (3190, 4928), (3248, 4840), (3388, 4640), (3509, 4480), (3520, 4466), (3712, 4235), (3872, 4060)]