81490080

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:411

約数の個数: 192

約数和(自身を含む): 298045440

約数和(自身を除く): 216555360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 79, 80, 84, 96, 105, 112, 120, 140, 158, 160, 168, 210, 224, 237, 240, 280, 307, 316, 336, 395, 420, 474, 480, 553, 560, 614, 632, 672, 790, 840, 921, 948, 1106, 1120, 1185, 1228, 1264, 1535, 1580, 1659, 1680, 1842, 1896, 2149, 2212, 2370, 2456, 2528, 2765, 3070, 3160, 3318, 3360, 3684, 3792, 4298, 4424, 4605, 4740, 4912, 5530, 6140, 6320, 6447, 6636, 7368, 7584, 8295, 8596, 8848, 9210, 9480, 9824, 10745, 11060, 12280, 12640, 12894, 13272, 14736, 16590, 17192, 17696, 18420, 18960, 21490, 22120, 24253, 24560, 25788, 26544, 29472, 32235, 33180, 34384, 36840, 37920, 42980, 44240, 48506, 49120, 51576, 53088, 64470, 66360, 68768, 72759, 73680, 85960, 88480, 97012, 103152, 121265, 128940, 132720, 145518, 147360, 169771, 171920, 194024, 206304, 242530, 257880, 265440, 291036, 339542, 343840, 363795, 388048, 485060, 509313, 515760, 582072, 679084, 727590, 776096, 848855, 970120, 1018626, 1031520, 1164144, 1358168, 1455180, 1697710, 1940240, 2037252, 2328288, 2546565, 2716336, 2910360, 3395420, 3880480, 4074504, 5093130, 5432672, 5820720, 6790840, 8149008, 10186260, 11641440, 13581680, 16298016, 20372520, 27163360, 40745040, 81490080]

約数ペア:

[(1, 81490080), (2, 40745040), (3, 27163360), (4, 20372520), (5, 16298016), (6, 13581680), (7, 11641440), (8, 10186260), (10, 8149008), (12, 6790840), (14, 5820720), (15, 5432672), (16, 5093130), (20, 4074504), (21, 3880480), (24, 3395420), (28, 2910360), (30, 2716336), (32, 2546565), (35, 2328288), (40, 2037252), (42, 1940240), (48, 1697710), (56, 1455180), (60, 1358168), (70, 1164144), (79, 1031520), (80, 1018626), (84, 970120), (96, 848855), (105, 776096), (112, 727590), (120, 679084), (140, 582072), (158, 515760), (160, 509313), (168, 485060), (210, 388048), (224, 363795), (237, 343840), (240, 339542), (280, 291036), (307, 265440), (316, 257880), (336, 242530), (395, 206304), (420, 194024), (474, 171920), (480, 169771), (553, 147360), (560, 145518), (614, 132720), (632, 128940), (672, 121265), (790, 103152), (840, 97012), (921, 88480), (948, 85960), (1106, 73680), (1120, 72759), (1185, 68768), (1228, 66360), (1264, 64470), (1535, 53088), (1580, 51576), (1659, 49120), (1680, 48506), (1842, 44240), (1896, 42980), (2149, 37920), (2212, 36840), (2370, 34384), (2456, 33180), (2528, 32235), (2765, 29472), (3070, 26544), (3160, 25788), (3318, 24560), (3360, 24253), (3684, 22120), (3792, 21490), (4298, 18960), (4424, 18420), (4605, 17696), (4740, 17192), (4912, 16590), (5530, 14736), (6140, 13272), (6320, 12894), (6447, 12640), (6636, 12280), (7368, 11060), (7584, 10745), (8295, 9824), (8596, 9480), (8848, 9210)]