221256960

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{367}}^1$

素因数の和:548

約数の個数: 144

約数和(自身を含む): 713078016

約数和(自身を除く): 491821056

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, 157, 160, 192, 240, 256, 314, 320, 367, 384, 471, 480, 628, 640, 734, 768, 785, 942, 960, 1101, 1256, 1280, 1468, 1570, 1835, 1884, 1920, 2202, 2355, 2512, 2936, 3140, 3670, 3768, 3840, 4404, 4710, 5024, 5505, 5872, 6280, 7340, 7536, 8808, 9420, 10048, 11010, 11744, 12560, 14680, 15072, 17616, 18840, 20096, 22020, 23488, 25120, 29360, 30144, 35232, 37680, 40192, 44040, 46976, 50240, 57619, 58720, 60288, 70464, 75360, 88080, 93952, 100480, 115238, 117440, 120576, 140928, 150720, 172857, 176160, 200960, 230476, 234880, 281856, 288095, 301440, 345714, 352320, 460952, 469760, 576190, 602880, 691428, 704640, 864285, 921904, 1152380, 1382856, 1409280, 1728570, 1843808, 2304760, 2765712, 3457140, 3687616, 4609520, 5531424, 6914280, 7375232, 9219040, 11062848, 13828560, 14750464, 18438080, 22125696, 27657120, 36876160, 44251392, 55314240, 73752320, 110628480, 221256960]

約数ペア:

[(1, 221256960), (2, 110628480), (3, 73752320), (4, 55314240), (5, 44251392), (6, 36876160), (8, 27657120), (10, 22125696), (12, 18438080), (15, 14750464), (16, 13828560), (20, 11062848), (24, 9219040), (30, 7375232), (32, 6914280), (40, 5531424), (48, 4609520), (60, 3687616), (64, 3457140), (80, 2765712), (96, 2304760), (120, 1843808), (128, 1728570), (157, 1409280), (160, 1382856), (192, 1152380), (240, 921904), (256, 864285), (314, 704640), (320, 691428), (367, 602880), (384, 576190), (471, 469760), (480, 460952), (628, 352320), (640, 345714), (734, 301440), (768, 288095), (785, 281856), (942, 234880), (960, 230476), (1101, 200960), (1256, 176160), (1280, 172857), (1468, 150720), (1570, 140928), (1835, 120576), (1884, 117440), (1920, 115238), (2202, 100480), (2355, 93952), (2512, 88080), (2936, 75360), (3140, 70464), (3670, 60288), (3768, 58720), (3840, 57619), (4404, 50240), (4710, 46976), (5024, 44040), (5505, 40192), (5872, 37680), (6280, 35232), (7340, 30144), (7536, 29360), (8808, 25120), (9420, 23488), (10048, 22020), (11010, 20096), (11744, 18840), (12560, 17616), (14680, 15072)]