280428480

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:409

約数の個数: 280

約数和(自身を含む): 1032662400

約数和(自身を除く): 752233920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 324, 349, 360, 372, 405, 432, 465, 480, 496, 540, 558, 576, 620, 648, 698, 720, 744, 810, 837, 864, 930, 960, 992, 1047, 1080, 1116, 1240, 1296, 1395, 1396, 1440, 1488, 1620, 1674, 1728, 1745, 1860, 1984, 2094, 2160, 2232, 2480, 2511, 2592, 2790, 2792, 2880, 2976, 3141, 3240, 3348, 3490, 3720, 4185, 4188, 4320, 4464, 4960, 5022, 5184, 5235, 5580, 5584, 5952, 6282, 6480, 6696, 6980, 7440, 8370, 8376, 8640, 8928, 9423, 9920, 10044, 10470, 10819, 11160, 11168, 12555, 12564, 12960, 13392, 13960, 14880, 15705, 16740, 16752, 17856, 18846, 20088, 20940, 21638, 22320, 22336, 25110, 25128, 25920, 26784, 27920, 28269, 29760, 31410, 32457, 33480, 33504, 37692, 40176, 41880, 43276, 44640, 47115, 50220, 50256, 53568, 54095, 55840, 56538, 62820, 64914, 66960, 67008, 75384, 80352, 83760, 86552, 89280, 94230, 97371, 100440, 100512, 108190, 111680, 113076, 125640, 129828, 133920, 141345, 150768, 160704, 162285, 167520, 173104, 188460, 194742, 200880, 201024, 216380, 226152, 251280, 259656, 267840, 282690, 292113, 301536, 324570, 335040, 346208, 376920, 389484, 401760, 432760, 452304, 486855, 502560, 519312, 565380, 584226, 603072, 649140, 692416, 753840, 778968, 803520, 865520, 876339, 904608, 973710, 1005120, 1038624, 1130760, 1168452, 1298280, 1460565, 1507680, 1557936, 1731040, 1752678, 1809216, 1947420, 2077248, 2261520, 2336904, 2596560, 2921130, 3015360, 3115872, 3462080, 3505356, 3894840, 4381695, 4523040, 4673808, 5193120, 5842260, 6231744, 7010712, 7789680, 8763390, 9046080, 9347616, 10386240, 11684520, 14021424, 15579360, 17526780, 18695232, 23369040, 28042848, 31158720, 35053560, 46738080, 56085696, 70107120, 93476160, 140214240, 280428480]

約数ペア:

[(1, 280428480), (2, 140214240), (3, 93476160), (4, 70107120), (5, 56085696), (6, 46738080), (8, 35053560), (9, 31158720), (10, 28042848), (12, 23369040), (15, 18695232), (16, 17526780), (18, 15579360), (20, 14021424), (24, 11684520), (27, 10386240), (30, 9347616), (31, 9046080), (32, 8763390), (36, 7789680), (40, 7010712), (45, 6231744), (48, 5842260), (54, 5193120), (60, 4673808), (62, 4523040), (64, 4381695), (72, 3894840), (80, 3505356), (81, 3462080), (90, 3115872), (93, 3015360), (96, 2921130), (108, 2596560), (120, 2336904), (124, 2261520), (135, 2077248), (144, 1947420), (155, 1809216), (160, 1752678), (162, 1731040), (180, 1557936), (186, 1507680), (192, 1460565), (216, 1298280), (240, 1168452), (248, 1130760), (270, 1038624), (279, 1005120), (288, 973710), (310, 904608), (320, 876339), (324, 865520), (349, 803520), (360, 778968), (372, 753840), (405, 692416), (432, 649140), (465, 603072), (480, 584226), (496, 565380), (540, 519312), (558, 502560), (576, 486855), (620, 452304), (648, 432760), (698, 401760), (720, 389484), (744, 376920), (810, 346208), (837, 335040), (864, 324570), (930, 301536), (960, 292113), (992, 282690), (1047, 267840), (1080, 259656), (1116, 251280), (1240, 226152), (1296, 216380), (1395, 201024), (1396, 200880), (1440, 194742), (1488, 188460), (1620, 173104), (1674, 167520), (1728, 162285), (1745, 160704), (1860, 150768), (1984, 141345), (2094, 133920), (2160, 129828), (2232, 125640), (2480, 113076), (2511, 111680), (2592, 108190), (2790, 100512), (2792, 100440), (2880, 97371), (2976, 94230), (3141, 89280), (3240, 86552), (3348, 83760), (3490, 80352), (3720, 75384), (4185, 67008), (4188, 66960), (4320, 64914), (4464, 62820), (4960, 56538), (5022, 55840), (5184, 54095), (5235, 53568), (5580, 50256), (5584, 50220), (5952, 47115), (6282, 44640), (6480, 43276), (6696, 41880), (6980, 40176), (7440, 37692), (8370, 33504), (8376, 33480), (8640, 32457), (8928, 31410), (9423, 29760), (9920, 28269), (10044, 27920), (10470, 26784), (10819, 25920), (11160, 25128), (11168, 25110), (12555, 22336), (12564, 22320), (12960, 21638), (13392, 20940), (13960, 20088), (14880, 18846), (15705, 17856), (16740, 16752)]