321553920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:456

約数の個数: 160

約数和(自身を含む): 1038549600

約数和(自身を除く): 716995680

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, 256, 281, 298, 320, 384, 447, 480, 512, 562, 596, 640, 745, 768, 843, 894, 960, 1124, 1192, 1280, 1405, 1490, 1536, 1686, 1788, 1920, 2235, 2248, 2384, 2560, 2810, 2980, 3372, 3576, 3840, 4215, 4470, 4496, 4768, 5620, 5960, 6744, 7152, 7680, 8430, 8940, 8992, 9536, 11240, 11920, 13488, 14304, 16860, 17880, 17984, 19072, 22480, 23840, 26976, 28608, 33720, 35760, 35968, 38144, 41869, 44960, 47680, 53952, 57216, 67440, 71520, 71936, 76288, 83738, 89920, 95360, 107904, 114432, 125607, 134880, 143040, 143872, 167476, 179840, 190720, 209345, 215808, 228864, 251214, 269760, 286080, 334952, 359680, 381440, 418690, 431616, 502428, 539520, 572160, 628035, 669904, 719360, 837380, 1004856, 1079040, 1144320, 1256070, 1339808, 1674760, 2009712, 2158080, 2512140, 2679616, 3349520, 4019424, 5024280, 5359232, 6699040, 8038848, 10048560, 10718464, 13398080, 16077696, 20097120, 21436928, 26796160, 32155392, 40194240, 53592320, 64310784, 80388480, 107184640, 160776960, 321553920]

約数ペア:

[(1, 321553920), (2, 160776960), (3, 107184640), (4, 80388480), (5, 64310784), (6, 53592320), (8, 40194240), (10, 32155392), (12, 26796160), (15, 21436928), (16, 20097120), (20, 16077696), (24, 13398080), (30, 10718464), (32, 10048560), (40, 8038848), (48, 6699040), (60, 5359232), (64, 5024280), (80, 4019424), (96, 3349520), (120, 2679616), (128, 2512140), (149, 2158080), (160, 2009712), (192, 1674760), (240, 1339808), (256, 1256070), (281, 1144320), (298, 1079040), (320, 1004856), (384, 837380), (447, 719360), (480, 669904), (512, 628035), (562, 572160), (596, 539520), (640, 502428), (745, 431616), (768, 418690), (843, 381440), (894, 359680), (960, 334952), (1124, 286080), (1192, 269760), (1280, 251214), (1405, 228864), (1490, 215808), (1536, 209345), (1686, 190720), (1788, 179840), (1920, 167476), (2235, 143872), (2248, 143040), (2384, 134880), (2560, 125607), (2810, 114432), (2980, 107904), (3372, 95360), (3576, 89920), (3840, 83738), (4215, 76288), (4470, 71936), (4496, 71520), (4768, 67440), (5620, 57216), (5960, 53952), (6744, 47680), (7152, 44960), (7680, 41869), (8430, 38144), (8940, 35968), (8992, 35760), (9536, 33720), (11240, 28608), (11920, 26976), (13488, 23840), (14304, 22480), (16860, 19072), (17880, 17984)]