81419040

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:472

約数の個数: 192

約数和(自身を含む): 291755520

約数和(自身を除く): 210336480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 47, 48, 54, 60, 72, 80, 90, 94, 96, 108, 120, 135, 141, 144, 160, 180, 188, 216, 235, 240, 270, 282, 288, 360, 376, 401, 423, 432, 470, 480, 540, 564, 705, 720, 752, 802, 846, 864, 940, 1080, 1128, 1203, 1269, 1410, 1440, 1504, 1604, 1692, 1880, 2005, 2115, 2160, 2256, 2406, 2538, 2820, 3208, 3384, 3609, 3760, 4010, 4230, 4320, 4512, 4812, 5076, 5640, 6015, 6345, 6416, 6768, 7218, 7520, 8020, 8460, 9624, 10152, 10827, 11280, 12030, 12690, 12832, 13536, 14436, 16040, 16920, 18045, 18847, 19248, 20304, 21654, 22560, 24060, 25380, 28872, 32080, 33840, 36090, 37694, 38496, 40608, 43308, 48120, 50760, 54135, 56541, 57744, 64160, 67680, 72180, 75388, 86616, 94235, 96240, 101520, 108270, 113082, 115488, 144360, 150776, 169623, 173232, 188470, 192480, 203040, 216540, 226164, 282705, 288720, 301552, 339246, 346464, 376940, 433080, 452328, 508869, 565410, 577440, 603104, 678492, 753880, 848115, 866160, 904656, 1017738, 1130820, 1356984, 1507760, 1696230, 1732320, 1809312, 2035476, 2261640, 2544345, 2713968, 3015520, 3392460, 4070952, 4523280, 5088690, 5427936, 6784920, 8141904, 9046560, 10177380, 13569840, 16283808, 20354760, 27139680, 40709520, 81419040]

約数ペア:

[(1, 81419040), (2, 40709520), (3, 27139680), (4, 20354760), (5, 16283808), (6, 13569840), (8, 10177380), (9, 9046560), (10, 8141904), (12, 6784920), (15, 5427936), (16, 5088690), (18, 4523280), (20, 4070952), (24, 3392460), (27, 3015520), (30, 2713968), (32, 2544345), (36, 2261640), (40, 2035476), (45, 1809312), (47, 1732320), (48, 1696230), (54, 1507760), (60, 1356984), (72, 1130820), (80, 1017738), (90, 904656), (94, 866160), (96, 848115), (108, 753880), (120, 678492), (135, 603104), (141, 577440), (144, 565410), (160, 508869), (180, 452328), (188, 433080), (216, 376940), (235, 346464), (240, 339246), (270, 301552), (282, 288720), (288, 282705), (360, 226164), (376, 216540), (401, 203040), (423, 192480), (432, 188470), (470, 173232), (480, 169623), (540, 150776), (564, 144360), (705, 115488), (720, 113082), (752, 108270), (802, 101520), (846, 96240), (864, 94235), (940, 86616), (1080, 75388), (1128, 72180), (1203, 67680), (1269, 64160), (1410, 57744), (1440, 56541), (1504, 54135), (1604, 50760), (1692, 48120), (1880, 43308), (2005, 40608), (2115, 38496), (2160, 37694), (2256, 36090), (2406, 33840), (2538, 32080), (2820, 28872), (3208, 25380), (3384, 24060), (3609, 22560), (3760, 21654), (4010, 20304), (4230, 19248), (4320, 18847), (4512, 18045), (4812, 16920), (5076, 16040), (5640, 14436), (6015, 13536), (6345, 12832), (6416, 12690), (6768, 12030), (7218, 11280), (7520, 10827), (8020, 10152), (8460, 9624)]