80377920

素因数分解:

$2^6\times 3^4\times 5^1\times 7^1\times {\mathrm{443}}^1$

素因数の和:479

約数の個数: 280

約数和(自身を含む): 327501504

約数和(自身を除く): 247123584

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 324, 336, 360, 378, 405, 420, 432, 443, 448, 480, 504, 540, 560, 567, 576, 630, 648, 672, 720, 756, 810, 840, 864, 886, 945, 960, 1008, 1080, 1120, 1134, 1260, 1296, 1329, 1344, 1440, 1512, 1620, 1680, 1728, 1772, 1890, 2016, 2160, 2215, 2240, 2268, 2520, 2592, 2658, 2835, 2880, 3024, 3101, 3240, 3360, 3544, 3780, 3987, 4032, 4320, 4430, 4536, 5040, 5184, 5316, 5670, 6048, 6202, 6480, 6645, 6720, 7088, 7560, 7974, 8640, 8860, 9072, 9303, 10080, 10632, 11340, 11961, 12096, 12404, 12960, 13290, 14176, 15120, 15505, 15948, 17720, 18144, 18606, 19935, 20160, 21264, 22680, 23922, 24808, 25920, 26580, 27909, 28352, 30240, 31010, 31896, 35440, 35883, 36288, 37212, 39870, 42528, 45360, 46515, 47844, 49616, 53160, 55818, 59805, 60480, 62020, 63792, 70880, 71766, 74424, 79740, 83727, 85056, 90720, 93030, 95688, 99232, 106320, 111636, 119610, 124040, 127584, 139545, 141760, 143532, 148848, 159480, 167454, 179415, 181440, 186060, 191376, 198464, 212640, 223272, 239220, 248080, 251181, 255168, 279090, 287064, 297696, 318960, 334908, 358830, 372120, 382752, 418635, 425280, 446544, 478440, 496160, 502362, 558180, 574128, 595392, 637920, 669816, 717660, 744240, 765504, 837270, 893088, 956880, 992320, 1004724, 1116360, 1148256, 1255905, 1275840, 1339632, 1435320, 1488480, 1674540, 1786176, 1913760, 2009448, 2232720, 2296512, 2511810, 2679264, 2870640, 2976960, 3349080, 3827520, 4018896, 4465440, 5023620, 5358528, 5741280, 6698160, 8037792, 8930880, 10047240, 11482560, 13396320, 16075584, 20094480, 26792640, 40188960, 80377920]

約数ペア:

[(1, 80377920), (2, 40188960), (3, 26792640), (4, 20094480), (5, 16075584), (6, 13396320), (7, 11482560), (8, 10047240), (9, 8930880), (10, 8037792), (12, 6698160), (14, 5741280), (15, 5358528), (16, 5023620), (18, 4465440), (20, 4018896), (21, 3827520), (24, 3349080), (27, 2976960), (28, 2870640), (30, 2679264), (32, 2511810), (35, 2296512), (36, 2232720), (40, 2009448), (42, 1913760), (45, 1786176), (48, 1674540), (54, 1488480), (56, 1435320), (60, 1339632), (63, 1275840), (64, 1255905), (70, 1148256), (72, 1116360), (80, 1004724), (81, 992320), (84, 956880), (90, 893088), (96, 837270), (105, 765504), (108, 744240), (112, 717660), (120, 669816), (126, 637920), (135, 595392), (140, 574128), (144, 558180), (160, 502362), (162, 496160), (168, 478440), (180, 446544), (189, 425280), (192, 418635), (210, 382752), (216, 372120), (224, 358830), (240, 334908), (252, 318960), (270, 297696), (280, 287064), (288, 279090), (315, 255168), (320, 251181), (324, 248080), (336, 239220), (360, 223272), (378, 212640), (405, 198464), (420, 191376), (432, 186060), (443, 181440), (448, 179415), (480, 167454), (504, 159480), (540, 148848), (560, 143532), (567, 141760), (576, 139545), (630, 127584), (648, 124040), (672, 119610), (720, 111636), (756, 106320), (810, 99232), (840, 95688), (864, 93030), (886, 90720), (945, 85056), (960, 83727), (1008, 79740), (1080, 74424), (1120, 71766), (1134, 70880), (1260, 63792), (1296, 62020), (1329, 60480), (1344, 59805), (1440, 55818), (1512, 53160), (1620, 49616), (1680, 47844), (1728, 46515), (1772, 45360), (1890, 42528), (2016, 39870), (2160, 37212), (2215, 36288), (2240, 35883), (2268, 35440), (2520, 31896), (2592, 31010), (2658, 30240), (2835, 28352), (2880, 27909), (3024, 26580), (3101, 25920), (3240, 24808), (3360, 23922), (3544, 22680), (3780, 21264), (3987, 20160), (4032, 19935), (4320, 18606), (4430, 18144), (4536, 17720), (5040, 15948), (5184, 15505), (5316, 15120), (5670, 14176), (6048, 13290), (6202, 12960), (6480, 12404), (6645, 12096), (6720, 11961), (7088, 11340), (7560, 10632), (7974, 10080), (8640, 9303), (8860, 9072)]