81268320

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1$

素因数の和:130

約数の個数: 288

約数和(自身を含む): 313383168

約数和(自身を除く): 232114848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 67, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 134, 140, 152, 160, 168, 190, 201, 210, 224, 228, 240, 266, 268, 280, 285, 304, 335, 336, 361, 380, 399, 402, 420, 456, 469, 480, 532, 536, 560, 570, 608, 665, 670, 672, 722, 760, 798, 804, 840, 912, 938, 1005, 1064, 1072, 1083, 1120, 1140, 1273, 1330, 1340, 1407, 1444, 1520, 1596, 1608, 1680, 1805, 1824, 1876, 1995, 2010, 2128, 2144, 2166, 2280, 2345, 2527, 2546, 2660, 2680, 2814, 2888, 3040, 3192, 3216, 3360, 3610, 3752, 3819, 3990, 4020, 4256, 4332, 4560, 4690, 5054, 5092, 5320, 5360, 5415, 5628, 5776, 6365, 6384, 6432, 7035, 7220, 7504, 7581, 7638, 7980, 8040, 8664, 8911, 9120, 9380, 10108, 10184, 10640, 10720, 10830, 11256, 11552, 12635, 12730, 12768, 14070, 14440, 15008, 15162, 15276, 15960, 16080, 17328, 17822, 18760, 19095, 20216, 20368, 21280, 21660, 22512, 24187, 25270, 25460, 26733, 28140, 28880, 30324, 30552, 31920, 32160, 34656, 35644, 37520, 37905, 38190, 40432, 40736, 43320, 44555, 45024, 48374, 50540, 50920, 53466, 56280, 57760, 60648, 61104, 63840, 71288, 72561, 75040, 75810, 76380, 80864, 86640, 89110, 96748, 101080, 101840, 106932, 112560, 120935, 121296, 122208, 133665, 142576, 145122, 151620, 152760, 169309, 173280, 178220, 193496, 202160, 203680, 213864, 225120, 241870, 242592, 267330, 285152, 290244, 303240, 305520, 338618, 356440, 362805, 386992, 404320, 427728, 483740, 507927, 534660, 580488, 606480, 611040, 677236, 712880, 725610, 773984, 846545, 855456, 967480, 1015854, 1069320, 1160976, 1212960, 1354472, 1425760, 1451220, 1693090, 1934960, 2031708, 2138640, 2321952, 2539635, 2708944, 2902440, 3386180, 3869920, 4063416, 4277280, 5079270, 5417888, 5804880, 6772360, 8126832, 10158540, 11609760, 13544720, 16253664, 20317080, 27089440, 40634160, 81268320]

約数ペア:

[(1, 81268320), (2, 40634160), (3, 27089440), (4, 20317080), (5, 16253664), (6, 13544720), (7, 11609760), (8, 10158540), (10, 8126832), (12, 6772360), (14, 5804880), (15, 5417888), (16, 5079270), (19, 4277280), (20, 4063416), (21, 3869920), (24, 3386180), (28, 2902440), (30, 2708944), (32, 2539635), (35, 2321952), (38, 2138640), (40, 2031708), (42, 1934960), (48, 1693090), (56, 1451220), (57, 1425760), (60, 1354472), (67, 1212960), (70, 1160976), (76, 1069320), (80, 1015854), (84, 967480), (95, 855456), (96, 846545), (105, 773984), (112, 725610), (114, 712880), (120, 677236), (133, 611040), (134, 606480), (140, 580488), (152, 534660), (160, 507927), (168, 483740), (190, 427728), (201, 404320), (210, 386992), (224, 362805), (228, 356440), (240, 338618), (266, 305520), (268, 303240), (280, 290244), (285, 285152), (304, 267330), (335, 242592), (336, 241870), (361, 225120), (380, 213864), (399, 203680), (402, 202160), (420, 193496), (456, 178220), (469, 173280), (480, 169309), (532, 152760), (536, 151620), (560, 145122), (570, 142576), (608, 133665), (665, 122208), (670, 121296), (672, 120935), (722, 112560), (760, 106932), (798, 101840), (804, 101080), (840, 96748), (912, 89110), (938, 86640), (1005, 80864), (1064, 76380), (1072, 75810), (1083, 75040), (1120, 72561), (1140, 71288), (1273, 63840), (1330, 61104), (1340, 60648), (1407, 57760), (1444, 56280), (1520, 53466), (1596, 50920), (1608, 50540), (1680, 48374), (1805, 45024), (1824, 44555), (1876, 43320), (1995, 40736), (2010, 40432), (2128, 38190), (2144, 37905), (2166, 37520), (2280, 35644), (2345, 34656), (2527, 32160), (2546, 31920), (2660, 30552), (2680, 30324), (2814, 28880), (2888, 28140), (3040, 26733), (3192, 25460), (3216, 25270), (3360, 24187), (3610, 22512), (3752, 21660), (3819, 21280), (3990, 20368), (4020, 20216), (4256, 19095), (4332, 18760), (4560, 17822), (4690, 17328), (5054, 16080), (5092, 15960), (5320, 15276), (5360, 15162), (5415, 15008), (5628, 14440), (5776, 14070), (6365, 12768), (6384, 12730), (6432, 12635), (7035, 11552), (7220, 11256), (7504, 10830), (7581, 10720), (7638, 10640), (7980, 10184), (8040, 10108), (8664, 9380), (8911, 9120)]