212702080

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:252

約数の個数: 128

約数和(自身を含む): 533174400

約数和(自身を除く): 320472320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 59, 64, 80, 86, 118, 128, 131, 160, 172, 215, 236, 262, 295, 320, 344, 430, 472, 524, 590, 640, 655, 688, 860, 944, 1048, 1180, 1310, 1376, 1720, 1888, 2096, 2360, 2537, 2620, 2752, 3440, 3776, 4192, 4720, 5074, 5240, 5504, 5633, 6880, 7552, 7729, 8384, 9440, 10148, 10480, 11266, 12685, 13760, 15458, 16768, 18880, 20296, 20960, 22532, 25370, 27520, 28165, 30916, 37760, 38645, 40592, 41920, 45064, 50740, 56330, 61832, 77290, 81184, 83840, 90128, 101480, 112660, 123664, 154580, 162368, 180256, 202960, 225320, 247328, 309160, 324736, 332347, 360512, 405920, 450640, 494656, 618320, 664694, 721024, 811840, 901280, 989312, 1236640, 1329388, 1623680, 1661735, 1802560, 2473280, 2658776, 3323470, 3605120, 4946560, 5317552, 6646940, 10635104, 13293880, 21270208, 26587760, 42540416, 53175520, 106351040, 212702080]

約数ペア:

[(1, 212702080), (2, 106351040), (4, 53175520), (5, 42540416), (8, 26587760), (10, 21270208), (16, 13293880), (20, 10635104), (32, 6646940), (40, 5317552), (43, 4946560), (59, 3605120), (64, 3323470), (80, 2658776), (86, 2473280), (118, 1802560), (128, 1661735), (131, 1623680), (160, 1329388), (172, 1236640), (215, 989312), (236, 901280), (262, 811840), (295, 721024), (320, 664694), (344, 618320), (430, 494656), (472, 450640), (524, 405920), (590, 360512), (640, 332347), (655, 324736), (688, 309160), (860, 247328), (944, 225320), (1048, 202960), (1180, 180256), (1310, 162368), (1376, 154580), (1720, 123664), (1888, 112660), (2096, 101480), (2360, 90128), (2537, 83840), (2620, 81184), (2752, 77290), (3440, 61832), (3776, 56330), (4192, 50740), (4720, 45064), (5074, 41920), (5240, 40592), (5504, 38645), (5633, 37760), (6880, 30916), (7552, 28165), (7729, 27520), (8384, 25370), (9440, 22532), (10148, 20960), (10480, 20296), (11266, 18880), (12685, 16768), (13760, 15458)]