28186896640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{39821}}^1$

素因数の和:39928

約数の個数: 144

約数和(自身を含む): 78140321280

約数和(自身を除く): 49953424640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 128, 140, 158, 160, 224, 256, 280, 316, 320, 395, 448, 553, 560, 632, 640, 790, 896, 1106, 1120, 1264, 1280, 1580, 1792, 2212, 2240, 2528, 2765, 3160, 4424, 4480, 5056, 5530, 6320, 8848, 8960, 10112, 11060, 12640, 17696, 20224, 22120, 25280, 35392, 39821, 44240, 50560, 70784, 79642, 88480, 101120, 141568, 159284, 176960, 199105, 278747, 318568, 353920, 398210, 557494, 637136, 707840, 796420, 1114988, 1274272, 1393735, 1592840, 2229976, 2548544, 2787470, 3145859, 3185680, 4459952, 5097088, 5574940, 6291718, 6371360, 8919904, 10194176, 11149880, 12583436, 12742720, 15729295, 17839808, 22021013, 22299760, 25166872, 25485440, 31458590, 35679616, 44042026, 44599520, 50333744, 50970880, 62917180, 71359232, 88084052, 89199040, 100667488, 110105065, 125834360, 176168104, 178398080, 201334976, 220210130, 251668720, 352336208, 356796160, 402669952, 440420260, 503337440, 704672416, 805339904, 880840520, 1006674880, 1409344832, 1761681040, 2013349760, 2818689664, 3523362080, 4026699520, 5637379328, 7046724160, 14093448320, 28186896640]

約数ペア:

[(1, 28186896640), (2, 14093448320), (4, 7046724160), (5, 5637379328), (7, 4026699520), (8, 3523362080), (10, 2818689664), (14, 2013349760), (16, 1761681040), (20, 1409344832), (28, 1006674880), (32, 880840520), (35, 805339904), (40, 704672416), (56, 503337440), (64, 440420260), (70, 402669952), (79, 356796160), (80, 352336208), (112, 251668720), (128, 220210130), (140, 201334976), (158, 178398080), (160, 176168104), (224, 125834360), (256, 110105065), (280, 100667488), (316, 89199040), (320, 88084052), (395, 71359232), (448, 62917180), (553, 50970880), (560, 50333744), (632, 44599520), (640, 44042026), (790, 35679616), (896, 31458590), (1106, 25485440), (1120, 25166872), (1264, 22299760), (1280, 22021013), (1580, 17839808), (1792, 15729295), (2212, 12742720), (2240, 12583436), (2528, 11149880), (2765, 10194176), (3160, 8919904), (4424, 6371360), (4480, 6291718), (5056, 5574940), (5530, 5097088), (6320, 4459952), (8848, 3185680), (8960, 3145859), (10112, 2787470), (11060, 2548544), (12640, 2229976), (17696, 1592840), (20224, 1393735), (22120, 1274272), (25280, 1114988), (35392, 796420), (39821, 707840), (44240, 637136), (50560, 557494), (70784, 398210), (79642, 353920), (88480, 318568), (101120, 278747), (141568, 199105), (159284, 176960)]