221675520

素因数分解:

$2^{15}\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1$

素因数の和:90

約数の個数: 256

約数和(自身を含む): 792711360

約数和(自身を除く): 571035840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 41, 44, 48, 55, 60, 64, 66, 80, 82, 88, 96, 110, 120, 123, 128, 132, 160, 164, 165, 176, 192, 205, 220, 240, 246, 256, 264, 320, 328, 330, 352, 384, 410, 440, 451, 480, 492, 512, 528, 615, 640, 656, 660, 704, 768, 820, 880, 902, 960, 984, 1024, 1056, 1230, 1280, 1312, 1320, 1353, 1408, 1536, 1640, 1760, 1804, 1920, 1968, 2048, 2112, 2255, 2460, 2560, 2624, 2640, 2706, 2816, 3072, 3280, 3520, 3608, 3840, 3936, 4096, 4224, 4510, 4920, 5120, 5248, 5280, 5412, 5632, 6144, 6560, 6765, 7040, 7216, 7680, 7872, 8192, 8448, 9020, 9840, 10240, 10496, 10560, 10824, 11264, 12288, 13120, 13530, 14080, 14432, 15360, 15744, 16384, 16896, 18040, 19680, 20480, 20992, 21120, 21648, 22528, 24576, 26240, 27060, 28160, 28864, 30720, 31488, 32768, 33792, 36080, 39360, 40960, 41984, 42240, 43296, 45056, 49152, 52480, 54120, 56320, 57728, 61440, 62976, 67584, 72160, 78720, 81920, 83968, 84480, 86592, 90112, 98304, 104960, 108240, 112640, 115456, 122880, 125952, 135168, 144320, 157440, 163840, 167936, 168960, 173184, 180224, 209920, 216480, 225280, 230912, 245760, 251904, 270336, 288640, 314880, 335872, 337920, 346368, 360448, 419840, 432960, 450560, 461824, 491520, 503808, 540672, 577280, 629760, 671744, 675840, 692736, 839680, 865920, 901120, 923648, 1007616, 1081344, 1154560, 1259520, 1343488, 1351680, 1385472, 1679360, 1731840, 1802240, 1847296, 2015232, 2309120, 2519040, 2703360, 2770944, 3358720, 3463680, 3694592, 4030464, 4618240, 5038080, 5406720, 5541888, 6717440, 6927360, 7389184, 9236480, 10076160, 11083776, 13854720, 14778368, 18472960, 20152320, 22167552, 27709440, 36945920, 44335104, 55418880, 73891840, 110837760, 221675520]

約数ペア:

[(1, 221675520), (2, 110837760), (3, 73891840), (4, 55418880), (5, 44335104), (6, 36945920), (8, 27709440), (10, 22167552), (11, 20152320), (12, 18472960), (15, 14778368), (16, 13854720), (20, 11083776), (22, 10076160), (24, 9236480), (30, 7389184), (32, 6927360), (33, 6717440), (40, 5541888), (41, 5406720), (44, 5038080), (48, 4618240), (55, 4030464), (60, 3694592), (64, 3463680), (66, 3358720), (80, 2770944), (82, 2703360), (88, 2519040), (96, 2309120), (110, 2015232), (120, 1847296), (123, 1802240), (128, 1731840), (132, 1679360), (160, 1385472), (164, 1351680), (165, 1343488), (176, 1259520), (192, 1154560), (205, 1081344), (220, 1007616), (240, 923648), (246, 901120), (256, 865920), (264, 839680), (320, 692736), (328, 675840), (330, 671744), (352, 629760), (384, 577280), (410, 540672), (440, 503808), (451, 491520), (480, 461824), (492, 450560), (512, 432960), (528, 419840), (615, 360448), (640, 346368), (656, 337920), (660, 335872), (704, 314880), (768, 288640), (820, 270336), (880, 251904), (902, 245760), (960, 230912), (984, 225280), (1024, 216480), (1056, 209920), (1230, 180224), (1280, 173184), (1312, 168960), (1320, 167936), (1353, 163840), (1408, 157440), (1536, 144320), (1640, 135168), (1760, 125952), (1804, 122880), (1920, 115456), (1968, 112640), (2048, 108240), (2112, 104960), (2255, 98304), (2460, 90112), (2560, 86592), (2624, 84480), (2640, 83968), (2706, 81920), (2816, 78720), (3072, 72160), (3280, 67584), (3520, 62976), (3608, 61440), (3840, 57728), (3936, 56320), (4096, 54120), (4224, 52480), (4510, 49152), (4920, 45056), (5120, 43296), (5248, 42240), (5280, 41984), (5412, 40960), (5632, 39360), (6144, 36080), (6560, 33792), (6765, 32768), (7040, 31488), (7216, 30720), (7680, 28864), (7872, 28160), (8192, 27060), (8448, 26240), (9020, 24576), (9840, 22528), (10240, 21648), (10496, 21120), (10560, 20992), (10824, 20480), (11264, 19680), (12288, 18040), (13120, 16896), (13530, 16384), (14080, 15744), (14432, 15360)]