221859840

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:212

約数の個数: 208

約数和(自身を含む): 745446528

約数和(自身を除く): 523586688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 157, 160, 184, 192, 230, 240, 256, 276, 314, 320, 345, 368, 384, 460, 471, 480, 512, 552, 628, 640, 690, 736, 768, 785, 920, 942, 960, 1024, 1104, 1256, 1280, 1380, 1472, 1536, 1570, 1840, 1884, 1920, 2048, 2208, 2355, 2512, 2560, 2760, 2944, 3072, 3140, 3611, 3680, 3768, 3840, 4096, 4416, 4710, 5024, 5120, 5520, 5888, 6144, 6280, 7222, 7360, 7536, 7680, 8832, 9420, 10048, 10240, 10833, 11040, 11776, 12288, 12560, 14444, 14720, 15072, 15360, 17664, 18055, 18840, 20096, 20480, 21666, 22080, 23552, 25120, 28888, 29440, 30144, 30720, 35328, 36110, 37680, 40192, 43332, 44160, 47104, 50240, 54165, 57776, 58880, 60288, 61440, 70656, 72220, 75360, 80384, 86664, 88320, 94208, 100480, 108330, 115552, 117760, 120576, 141312, 144440, 150720, 160768, 173328, 176640, 200960, 216660, 231104, 235520, 241152, 282624, 288880, 301440, 321536, 346656, 353280, 401920, 433320, 462208, 471040, 482304, 577760, 602880, 643072, 693312, 706560, 803840, 866640, 924416, 964608, 1155520, 1205760, 1386624, 1413120, 1607680, 1733280, 1848832, 1929216, 2311040, 2411520, 2773248, 3215360, 3466560, 3697664, 4622080, 4823040, 5546496, 6933120, 7395328, 9244160, 9646080, 11092992, 13866240, 14790656, 18488320, 22185984, 27732480, 36976640, 44371968, 55464960, 73953280, 110929920, 221859840]

約数ペア:

[(1, 221859840), (2, 110929920), (3, 73953280), (4, 55464960), (5, 44371968), (6, 36976640), (8, 27732480), (10, 22185984), (12, 18488320), (15, 14790656), (16, 13866240), (20, 11092992), (23, 9646080), (24, 9244160), (30, 7395328), (32, 6933120), (40, 5546496), (46, 4823040), (48, 4622080), (60, 3697664), (64, 3466560), (69, 3215360), (80, 2773248), (92, 2411520), (96, 2311040), (115, 1929216), (120, 1848832), (128, 1733280), (138, 1607680), (157, 1413120), (160, 1386624), (184, 1205760), (192, 1155520), (230, 964608), (240, 924416), (256, 866640), (276, 803840), (314, 706560), (320, 693312), (345, 643072), (368, 602880), (384, 577760), (460, 482304), (471, 471040), (480, 462208), (512, 433320), (552, 401920), (628, 353280), (640, 346656), (690, 321536), (736, 301440), (768, 288880), (785, 282624), (920, 241152), (942, 235520), (960, 231104), (1024, 216660), (1104, 200960), (1256, 176640), (1280, 173328), (1380, 160768), (1472, 150720), (1536, 144440), (1570, 141312), (1840, 120576), (1884, 117760), (1920, 115552), (2048, 108330), (2208, 100480), (2355, 94208), (2512, 88320), (2560, 86664), (2760, 80384), (2944, 75360), (3072, 72220), (3140, 70656), (3611, 61440), (3680, 60288), (3768, 58880), (3840, 57776), (4096, 54165), (4416, 50240), (4710, 47104), (5024, 44160), (5120, 43332), (5520, 40192), (5888, 37680), (6144, 36110), (6280, 35328), (7222, 30720), (7360, 30144), (7536, 29440), (7680, 28888), (8832, 25120), (9420, 23552), (10048, 22080), (10240, 21666), (10833, 20480), (11040, 20096), (11776, 18840), (12288, 18055), (12560, 17664), (14444, 15360), (14720, 15072)]