1240161280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{43}}^2\times {\mathrm{131}}^1$

素因数の和:242

約数の個数: 132

約数和(自身を含む): 3068977032

約数和(自身を除く): 1828815752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 131, 160, 172, 215, 256, 262, 320, 344, 430, 512, 524, 640, 655, 688, 860, 1024, 1048, 1280, 1310, 1376, 1720, 1849, 2096, 2560, 2620, 2752, 3440, 3698, 4192, 5120, 5240, 5504, 5633, 6880, 7396, 8384, 9245, 10480, 11008, 11266, 13760, 14792, 16768, 18490, 20960, 22016, 22532, 27520, 28165, 29584, 33536, 36980, 41920, 44032, 45064, 55040, 56330, 59168, 67072, 73960, 83840, 90128, 110080, 112660, 118336, 134144, 147920, 167680, 180256, 220160, 225320, 236672, 242219, 295840, 335360, 360512, 450640, 473344, 484438, 591680, 670720, 721024, 901280, 946688, 968876, 1183360, 1211095, 1442048, 1802560, 1893376, 1937752, 2366720, 2422190, 2884096, 3605120, 3875504, 4733440, 4844380, 5768192, 7210240, 7751008, 9466880, 9688760, 14420480, 15502016, 19377520, 28840960, 31004032, 38755040, 62008064, 77510080, 124016128, 155020160, 248032256, 310040320, 620080640, 1240161280]

約数ペア:

[(1, 1240161280), (2, 620080640), (4, 310040320), (5, 248032256), (8, 155020160), (10, 124016128), (16, 77510080), (20, 62008064), (32, 38755040), (40, 31004032), (43, 28840960), (64, 19377520), (80, 15502016), (86, 14420480), (128, 9688760), (131, 9466880), (160, 7751008), (172, 7210240), (215, 5768192), (256, 4844380), (262, 4733440), (320, 3875504), (344, 3605120), (430, 2884096), (512, 2422190), (524, 2366720), (640, 1937752), (655, 1893376), (688, 1802560), (860, 1442048), (1024, 1211095), (1048, 1183360), (1280, 968876), (1310, 946688), (1376, 901280), (1720, 721024), (1849, 670720), (2096, 591680), (2560, 484438), (2620, 473344), (2752, 450640), (3440, 360512), (3698, 335360), (4192, 295840), (5120, 242219), (5240, 236672), (5504, 225320), (5633, 220160), (6880, 180256), (7396, 167680), (8384, 147920), (9245, 134144), (10480, 118336), (11008, 112660), (11266, 110080), (13760, 90128), (14792, 83840), (16768, 73960), (18490, 67072), (20960, 59168), (22016, 56330), (22532, 55040), (27520, 45064), (28165, 44032), (29584, 41920), (33536, 36980)]