80388480

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:452

約数の個数: 128

約数和(自身を含む): 258876000

約数和(自身を除く): 178487520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 149, 160, 192, 240, 281, 298, 320, 384, 447, 480, 562, 596, 640, 745, 843, 894, 960, 1124, 1192, 1405, 1490, 1686, 1788, 1920, 2235, 2248, 2384, 2810, 2980, 3372, 3576, 4215, 4470, 4496, 4768, 5620, 5960, 6744, 7152, 8430, 8940, 8992, 9536, 11240, 11920, 13488, 14304, 16860, 17880, 17984, 19072, 22480, 23840, 26976, 28608, 33720, 35760, 35968, 41869, 44960, 47680, 53952, 57216, 67440, 71520, 83738, 89920, 95360, 107904, 125607, 134880, 143040, 167476, 179840, 209345, 251214, 269760, 286080, 334952, 418690, 502428, 539520, 628035, 669904, 837380, 1004856, 1256070, 1339808, 1674760, 2009712, 2512140, 2679616, 3349520, 4019424, 5024280, 5359232, 6699040, 8038848, 10048560, 13398080, 16077696, 20097120, 26796160, 40194240, 80388480]

約数ペア:

[(1, 80388480), (2, 40194240), (3, 26796160), (4, 20097120), (5, 16077696), (6, 13398080), (8, 10048560), (10, 8038848), (12, 6699040), (15, 5359232), (16, 5024280), (20, 4019424), (24, 3349520), (30, 2679616), (32, 2512140), (40, 2009712), (48, 1674760), (60, 1339808), (64, 1256070), (80, 1004856), (96, 837380), (120, 669904), (128, 628035), (149, 539520), (160, 502428), (192, 418690), (240, 334952), (281, 286080), (298, 269760), (320, 251214), (384, 209345), (447, 179840), (480, 167476), (562, 143040), (596, 134880), (640, 125607), (745, 107904), (843, 95360), (894, 89920), (960, 83738), (1124, 71520), (1192, 67440), (1405, 57216), (1490, 53952), (1686, 47680), (1788, 44960), (1920, 41869), (2235, 35968), (2248, 35760), (2384, 33720), (2810, 28608), (2980, 26976), (3372, 23840), (3576, 22480), (4215, 19072), (4470, 17984), (4496, 17880), (4768, 16860), (5620, 14304), (5960, 13488), (6744, 11920), (7152, 11240), (8430, 9536), (8940, 8992)]