280081120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:114

約数の個数: 288

約数和(自身を含む): 825297984

約数和(自身を除く): 545216864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 23, 32, 34, 37, 40, 44, 46, 55, 68, 74, 80, 85, 88, 92, 110, 115, 121, 136, 148, 160, 170, 176, 184, 185, 187, 220, 230, 242, 253, 272, 296, 340, 352, 368, 370, 374, 391, 407, 440, 460, 484, 506, 544, 592, 605, 629, 680, 736, 740, 748, 782, 814, 851, 880, 920, 935, 968, 1012, 1184, 1210, 1258, 1265, 1360, 1480, 1496, 1564, 1628, 1702, 1760, 1840, 1870, 1936, 1955, 2024, 2035, 2057, 2420, 2516, 2530, 2720, 2783, 2960, 2992, 3128, 3145, 3256, 3404, 3680, 3740, 3872, 3910, 4048, 4070, 4114, 4255, 4301, 4477, 4840, 5032, 5060, 5566, 5920, 5984, 6256, 6290, 6512, 6808, 6919, 7480, 7820, 8096, 8140, 8228, 8510, 8602, 8954, 9361, 9680, 10064, 10120, 10285, 11132, 12512, 12580, 13024, 13616, 13838, 13915, 14467, 14960, 15640, 16280, 16456, 17020, 17204, 17908, 18722, 19360, 20128, 20240, 20570, 21505, 22264, 22385, 25160, 27232, 27676, 27830, 28934, 29920, 31280, 32560, 32912, 34040, 34408, 34595, 35816, 37444, 40480, 41140, 43010, 44528, 44770, 46805, 47311, 50320, 55352, 55660, 57868, 62560, 65120, 65824, 68080, 68816, 69190, 71632, 72335, 74888, 76109, 82280, 86020, 89056, 89540, 93610, 94622, 100640, 102971, 110704, 111320, 115736, 136160, 137632, 138380, 143264, 144670, 149776, 152218, 159137, 164560, 172040, 179080, 187220, 189244, 205942, 221408, 222640, 231472, 236555, 276760, 289340, 299552, 304436, 318274, 329120, 344080, 358160, 374440, 378488, 380545, 411884, 445280, 462944, 473110, 514855, 553520, 578680, 608872, 636548, 688160, 716320, 748880, 756976, 761090, 795685, 823768, 946220, 1029710, 1107040, 1157360, 1217744, 1273096, 1497760, 1513952, 1522180, 1591370, 1647536, 1750507, 1892440, 2059420, 2314720, 2435488, 2546192, 3044360, 3182740, 3295072, 3501014, 3784880, 4118840, 5092384, 6088720, 6365480, 7002028, 7569760, 8237680, 8752535, 12177440, 12730960, 14004056, 16475360, 17505070, 25461920, 28008112, 35010140, 56016224, 70020280, 140040560, 280081120]

約数ペア:

[(1, 280081120), (2, 140040560), (4, 70020280), (5, 56016224), (8, 35010140), (10, 28008112), (11, 25461920), (16, 17505070), (17, 16475360), (20, 14004056), (22, 12730960), (23, 12177440), (32, 8752535), (34, 8237680), (37, 7569760), (40, 7002028), (44, 6365480), (46, 6088720), (55, 5092384), (68, 4118840), (74, 3784880), (80, 3501014), (85, 3295072), (88, 3182740), (92, 3044360), (110, 2546192), (115, 2435488), (121, 2314720), (136, 2059420), (148, 1892440), (160, 1750507), (170, 1647536), (176, 1591370), (184, 1522180), (185, 1513952), (187, 1497760), (220, 1273096), (230, 1217744), (242, 1157360), (253, 1107040), (272, 1029710), (296, 946220), (340, 823768), (352, 795685), (368, 761090), (370, 756976), (374, 748880), (391, 716320), (407, 688160), (440, 636548), (460, 608872), (484, 578680), (506, 553520), (544, 514855), (592, 473110), (605, 462944), (629, 445280), (680, 411884), (736, 380545), (740, 378488), (748, 374440), (782, 358160), (814, 344080), (851, 329120), (880, 318274), (920, 304436), (935, 299552), (968, 289340), (1012, 276760), (1184, 236555), (1210, 231472), (1258, 222640), (1265, 221408), (1360, 205942), (1480, 189244), (1496, 187220), (1564, 179080), (1628, 172040), (1702, 164560), (1760, 159137), (1840, 152218), (1870, 149776), (1936, 144670), (1955, 143264), (2024, 138380), (2035, 137632), (2057, 136160), (2420, 115736), (2516, 111320), (2530, 110704), (2720, 102971), (2783, 100640), (2960, 94622), (2992, 93610), (3128, 89540), (3145, 89056), (3256, 86020), (3404, 82280), (3680, 76109), (3740, 74888), (3872, 72335), (3910, 71632), (4048, 69190), (4070, 68816), (4114, 68080), (4255, 65824), (4301, 65120), (4477, 62560), (4840, 57868), (5032, 55660), (5060, 55352), (5566, 50320), (5920, 47311), (5984, 46805), (6256, 44770), (6290, 44528), (6512, 43010), (6808, 41140), (6919, 40480), (7480, 37444), (7820, 35816), (8096, 34595), (8140, 34408), (8228, 34040), (8510, 32912), (8602, 32560), (8954, 31280), (9361, 29920), (9680, 28934), (10064, 27830), (10120, 27676), (10285, 27232), (11132, 25160), (12512, 22385), (12580, 22264), (13024, 21505), (13616, 20570), (13838, 20240), (13915, 20128), (14467, 19360), (14960, 18722), (15640, 17908), (16280, 17204), (16456, 17020)]