820193040

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1361}}^1$

素因数の和:1420

約数の個数: 240

約数和(自身を含む): 2950811136

約数和(自身を除く): 2130618096

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 108, 120, 124, 135, 144, 155, 162, 180, 186, 216, 240, 243, 248, 270, 279, 310, 324, 360, 372, 405, 432, 465, 486, 496, 540, 558, 620, 648, 720, 744, 810, 837, 930, 972, 1080, 1116, 1215, 1240, 1296, 1361, 1395, 1488, 1620, 1674, 1860, 1944, 2160, 2232, 2430, 2480, 2511, 2722, 2790, 3240, 3348, 3720, 3888, 4083, 4185, 4464, 4860, 5022, 5444, 5580, 6480, 6696, 6805, 7440, 7533, 8166, 8370, 9720, 10044, 10888, 11160, 12249, 12555, 13392, 13610, 15066, 16332, 16740, 19440, 20088, 20415, 21776, 22320, 24498, 25110, 27220, 30132, 32664, 33480, 36747, 37665, 40176, 40830, 42191, 48996, 50220, 54440, 60264, 61245, 65328, 66960, 73494, 75330, 81660, 84382, 97992, 100440, 108880, 110241, 120528, 122490, 126573, 146988, 150660, 163320, 168764, 183735, 195984, 200880, 210955, 220482, 244980, 253146, 293976, 301320, 326640, 330723, 337528, 367470, 379719, 421910, 440964, 489960, 506292, 551205, 587952, 602640, 632865, 661446, 675056, 734940, 759438, 843820, 881928, 979920, 1012584, 1102410, 1139157, 1265730, 1322892, 1469880, 1518876, 1653615, 1687640, 1763856, 1898595, 2025168, 2204820, 2278314, 2531460, 2645784, 2939760, 3037752, 3307230, 3375280, 3417471, 3797190, 4409640, 4556628, 5062920, 5291568, 5695785, 6075504, 6614460, 6834942, 7594380, 8819280, 9113256, 10125840, 10252413, 11391570, 13228920, 13669884, 15188760, 17087355, 18226512, 20504826, 22783140, 26457840, 27339768, 30377520, 34174710, 41009652, 45566280, 51262065, 54679536, 68349420, 82019304, 91132560, 102524130, 136698840, 164038608, 205048260, 273397680, 410096520, 820193040]

約数ペア:

[(1, 820193040), (2, 410096520), (3, 273397680), (4, 205048260), (5, 164038608), (6, 136698840), (8, 102524130), (9, 91132560), (10, 82019304), (12, 68349420), (15, 54679536), (16, 51262065), (18, 45566280), (20, 41009652), (24, 34174710), (27, 30377520), (30, 27339768), (31, 26457840), (36, 22783140), (40, 20504826), (45, 18226512), (48, 17087355), (54, 15188760), (60, 13669884), (62, 13228920), (72, 11391570), (80, 10252413), (81, 10125840), (90, 9113256), (93, 8819280), (108, 7594380), (120, 6834942), (124, 6614460), (135, 6075504), (144, 5695785), (155, 5291568), (162, 5062920), (180, 4556628), (186, 4409640), (216, 3797190), (240, 3417471), (243, 3375280), (248, 3307230), (270, 3037752), (279, 2939760), (310, 2645784), (324, 2531460), (360, 2278314), (372, 2204820), (405, 2025168), (432, 1898595), (465, 1763856), (486, 1687640), (496, 1653615), (540, 1518876), (558, 1469880), (620, 1322892), (648, 1265730), (720, 1139157), (744, 1102410), (810, 1012584), (837, 979920), (930, 881928), (972, 843820), (1080, 759438), (1116, 734940), (1215, 675056), (1240, 661446), (1296, 632865), (1361, 602640), (1395, 587952), (1488, 551205), (1620, 506292), (1674, 489960), (1860, 440964), (1944, 421910), (2160, 379719), (2232, 367470), (2430, 337528), (2480, 330723), (2511, 326640), (2722, 301320), (2790, 293976), (3240, 253146), (3348, 244980), (3720, 220482), (3888, 210955), (4083, 200880), (4185, 195984), (4464, 183735), (4860, 168764), (5022, 163320), (5444, 150660), (5580, 146988), (6480, 126573), (6696, 122490), (6805, 120528), (7440, 110241), (7533, 108880), (8166, 100440), (8370, 97992), (9720, 84382), (10044, 81660), (10888, 75330), (11160, 73494), (12249, 66960), (12555, 65328), (13392, 61245), (13610, 60264), (15066, 54440), (16332, 50220), (16740, 48996), (19440, 42191), (20088, 40830), (20415, 40176), (21776, 37665), (22320, 36747), (24498, 33480), (25110, 32664), (27220, 30132)]