81673920

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:189

約数の個数: 280

約数和(自身を含む): 305373024

約数和(自身を除く): 223699104

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 81, 90, 92, 96, 108, 115, 120, 135, 137, 138, 144, 160, 162, 180, 184, 192, 207, 216, 230, 240, 270, 274, 276, 288, 320, 324, 345, 360, 368, 405, 411, 414, 432, 460, 480, 540, 548, 552, 576, 621, 648, 685, 690, 720, 736, 810, 822, 828, 864, 920, 960, 1035, 1080, 1096, 1104, 1233, 1242, 1296, 1370, 1380, 1440, 1472, 1620, 1644, 1656, 1728, 1840, 1863, 2055, 2070, 2160, 2192, 2208, 2466, 2484, 2592, 2740, 2760, 2880, 3105, 3151, 3240, 3288, 3312, 3680, 3699, 3726, 4110, 4140, 4320, 4384, 4416, 4932, 4968, 5184, 5480, 5520, 6165, 6210, 6302, 6480, 6576, 6624, 7360, 7398, 7452, 8220, 8280, 8640, 8768, 9315, 9453, 9864, 9936, 10960, 11040, 11097, 12330, 12420, 12604, 12960, 13152, 13248, 14796, 14904, 15755, 16440, 16560, 18495, 18630, 18906, 19728, 19872, 21920, 22080, 22194, 24660, 24840, 25208, 25920, 26304, 28359, 29592, 29808, 31510, 32880, 33120, 36990, 37260, 37812, 39456, 39744, 43840, 44388, 47265, 49320, 49680, 50416, 55485, 56718, 59184, 59616, 63020, 65760, 66240, 73980, 74520, 75624, 78912, 85077, 88776, 94530, 98640, 99360, 100832, 110970, 113436, 118368, 119232, 126040, 131520, 141795, 147960, 149040, 151248, 170154, 177552, 189060, 197280, 198720, 201664, 221940, 226872, 236736, 252080, 255231, 283590, 295920, 298080, 302496, 340308, 355104, 378120, 394560, 425385, 443880, 453744, 504160, 510462, 567180, 591840, 596160, 604992, 680616, 710208, 756240, 850770, 887760, 907488, 1008320, 1020924, 1134360, 1183680, 1276155, 1361232, 1512480, 1701540, 1775520, 1814976, 2041848, 2268720, 2552310, 2722464, 3024960, 3403080, 3551040, 4083696, 4537440, 5104620, 5444928, 6806160, 8167392, 9074880, 10209240, 13612320, 16334784, 20418480, 27224640, 40836960, 81673920]

約数ペア:

[(1, 81673920), (2, 40836960), (3, 27224640), (4, 20418480), (5, 16334784), (6, 13612320), (8, 10209240), (9, 9074880), (10, 8167392), (12, 6806160), (15, 5444928), (16, 5104620), (18, 4537440), (20, 4083696), (23, 3551040), (24, 3403080), (27, 3024960), (30, 2722464), (32, 2552310), (36, 2268720), (40, 2041848), (45, 1814976), (46, 1775520), (48, 1701540), (54, 1512480), (60, 1361232), (64, 1276155), (69, 1183680), (72, 1134360), (80, 1020924), (81, 1008320), (90, 907488), (92, 887760), (96, 850770), (108, 756240), (115, 710208), (120, 680616), (135, 604992), (137, 596160), (138, 591840), (144, 567180), (160, 510462), (162, 504160), (180, 453744), (184, 443880), (192, 425385), (207, 394560), (216, 378120), (230, 355104), (240, 340308), (270, 302496), (274, 298080), (276, 295920), (288, 283590), (320, 255231), (324, 252080), (345, 236736), (360, 226872), (368, 221940), (405, 201664), (411, 198720), (414, 197280), (432, 189060), (460, 177552), (480, 170154), (540, 151248), (548, 149040), (552, 147960), (576, 141795), (621, 131520), (648, 126040), (685, 119232), (690, 118368), (720, 113436), (736, 110970), (810, 100832), (822, 99360), (828, 98640), (864, 94530), (920, 88776), (960, 85077), (1035, 78912), (1080, 75624), (1096, 74520), (1104, 73980), (1233, 66240), (1242, 65760), (1296, 63020), (1370, 59616), (1380, 59184), (1440, 56718), (1472, 55485), (1620, 50416), (1644, 49680), (1656, 49320), (1728, 47265), (1840, 44388), (1863, 43840), (2055, 39744), (2070, 39456), (2160, 37812), (2192, 37260), (2208, 36990), (2466, 33120), (2484, 32880), (2592, 31510), (2740, 29808), (2760, 29592), (2880, 28359), (3105, 26304), (3151, 25920), (3240, 25208), (3288, 24840), (3312, 24660), (3680, 22194), (3699, 22080), (3726, 21920), (4110, 19872), (4140, 19728), (4320, 18906), (4384, 18630), (4416, 18495), (4932, 16560), (4968, 16440), (5184, 15755), (5480, 14904), (5520, 14796), (6165, 13248), (6210, 13152), (6302, 12960), (6480, 12604), (6576, 12420), (6624, 12330), (7360, 11097), (7398, 11040), (7452, 10960), (8220, 9936), (8280, 9864), (8640, 9453), (8768, 9315)]