80991120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:198

約数の個数: 240

約数和(自身を含む): 299230848

約数和(自身を除く): 218239728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 71, 80, 84, 97, 98, 105, 112, 120, 140, 142, 147, 168, 194, 196, 210, 213, 240, 245, 280, 284, 291, 294, 336, 355, 388, 392, 420, 426, 485, 490, 497, 560, 568, 582, 588, 679, 710, 735, 776, 784, 840, 852, 970, 980, 994, 1065, 1136, 1164, 1176, 1358, 1420, 1455, 1470, 1491, 1552, 1680, 1704, 1940, 1960, 1988, 2037, 2130, 2328, 2352, 2485, 2716, 2840, 2910, 2940, 2982, 3395, 3408, 3479, 3880, 3920, 3976, 4074, 4260, 4656, 4753, 4970, 5432, 5680, 5820, 5880, 5964, 6790, 6887, 6958, 7455, 7760, 7952, 8148, 8520, 9506, 9940, 10185, 10437, 10864, 11640, 11760, 11928, 13580, 13774, 13916, 14259, 14910, 16296, 17040, 17395, 19012, 19880, 20370, 20661, 20874, 23280, 23765, 23856, 27160, 27548, 27832, 28518, 29820, 32592, 34435, 34790, 38024, 39760, 40740, 41322, 41748, 47530, 48209, 52185, 54320, 55096, 55664, 57036, 59640, 68870, 69580, 71295, 76048, 81480, 82644, 83496, 95060, 96418, 103305, 104370, 110192, 114072, 119280, 137740, 139160, 142590, 144627, 162960, 165288, 166992, 190120, 192836, 206610, 208740, 228144, 241045, 275480, 278320, 285180, 289254, 330576, 337463, 380240, 385672, 413220, 417480, 482090, 550960, 570360, 578508, 674926, 723135, 771344, 826440, 834960, 964180, 1012389, 1140720, 1157016, 1349852, 1446270, 1652880, 1687315, 1928360, 2024778, 2314032, 2699704, 2892540, 3374630, 3856720, 4049556, 5061945, 5399408, 5785080, 6749260, 8099112, 10123890, 11570160, 13498520, 16198224, 20247780, 26997040, 40495560, 80991120]

約数ペア:

[(1, 80991120), (2, 40495560), (3, 26997040), (4, 20247780), (5, 16198224), (6, 13498520), (7, 11570160), (8, 10123890), (10, 8099112), (12, 6749260), (14, 5785080), (15, 5399408), (16, 5061945), (20, 4049556), (21, 3856720), (24, 3374630), (28, 2892540), (30, 2699704), (35, 2314032), (40, 2024778), (42, 1928360), (48, 1687315), (49, 1652880), (56, 1446270), (60, 1349852), (70, 1157016), (71, 1140720), (80, 1012389), (84, 964180), (97, 834960), (98, 826440), (105, 771344), (112, 723135), (120, 674926), (140, 578508), (142, 570360), (147, 550960), (168, 482090), (194, 417480), (196, 413220), (210, 385672), (213, 380240), (240, 337463), (245, 330576), (280, 289254), (284, 285180), (291, 278320), (294, 275480), (336, 241045), (355, 228144), (388, 208740), (392, 206610), (420, 192836), (426, 190120), (485, 166992), (490, 165288), (497, 162960), (560, 144627), (568, 142590), (582, 139160), (588, 137740), (679, 119280), (710, 114072), (735, 110192), (776, 104370), (784, 103305), (840, 96418), (852, 95060), (970, 83496), (980, 82644), (994, 81480), (1065, 76048), (1136, 71295), (1164, 69580), (1176, 68870), (1358, 59640), (1420, 57036), (1455, 55664), (1470, 55096), (1491, 54320), (1552, 52185), (1680, 48209), (1704, 47530), (1940, 41748), (1960, 41322), (1988, 40740), (2037, 39760), (2130, 38024), (2328, 34790), (2352, 34435), (2485, 32592), (2716, 29820), (2840, 28518), (2910, 27832), (2940, 27548), (2982, 27160), (3395, 23856), (3408, 23765), (3479, 23280), (3880, 20874), (3920, 20661), (3976, 20370), (4074, 19880), (4260, 19012), (4656, 17395), (4753, 17040), (4970, 16296), (5432, 14910), (5680, 14259), (5820, 13916), (5880, 13774), (5964, 13580), (6790, 11928), (6887, 11760), (6958, 11640), (7455, 10864), (7760, 10437), (7952, 10185), (8148, 9940), (8520, 9506)]