217375920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{641}}^1$

素因数の和:820

約数の個数: 160

約数和(自身を含む): 754683840

約数和(自身を除く): 537307920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 157, 180, 216, 240, 270, 314, 360, 432, 471, 540, 628, 641, 720, 785, 942, 1080, 1256, 1282, 1413, 1570, 1884, 1923, 2160, 2355, 2512, 2564, 2826, 3140, 3205, 3768, 3846, 4239, 4710, 5128, 5652, 5769, 6280, 6410, 7065, 7536, 7692, 8478, 9420, 9615, 10256, 11304, 11538, 12560, 12820, 14130, 15384, 16956, 17307, 18840, 19230, 21195, 22608, 23076, 25640, 28260, 28845, 30768, 33912, 34614, 37680, 38460, 42390, 46152, 51280, 56520, 57690, 67824, 69228, 76920, 84780, 86535, 92304, 100637, 113040, 115380, 138456, 153840, 169560, 173070, 201274, 230760, 276912, 301911, 339120, 346140, 402548, 461520, 503185, 603822, 692280, 805096, 905733, 1006370, 1207644, 1384560, 1509555, 1610192, 1811466, 2012740, 2415288, 2717199, 3019110, 3622932, 4025480, 4528665, 4830576, 5434398, 6038220, 7245864, 8050960, 9057330, 10868796, 12076440, 13585995, 14491728, 18114660, 21737592, 24152880, 27171990, 36229320, 43475184, 54343980, 72458640, 108687960, 217375920]

約数ペア:

[(1, 217375920), (2, 108687960), (3, 72458640), (4, 54343980), (5, 43475184), (6, 36229320), (8, 27171990), (9, 24152880), (10, 21737592), (12, 18114660), (15, 14491728), (16, 13585995), (18, 12076440), (20, 10868796), (24, 9057330), (27, 8050960), (30, 7245864), (36, 6038220), (40, 5434398), (45, 4830576), (48, 4528665), (54, 4025480), (60, 3622932), (72, 3019110), (80, 2717199), (90, 2415288), (108, 2012740), (120, 1811466), (135, 1610192), (144, 1509555), (157, 1384560), (180, 1207644), (216, 1006370), (240, 905733), (270, 805096), (314, 692280), (360, 603822), (432, 503185), (471, 461520), (540, 402548), (628, 346140), (641, 339120), (720, 301911), (785, 276912), (942, 230760), (1080, 201274), (1256, 173070), (1282, 169560), (1413, 153840), (1570, 138456), (1884, 115380), (1923, 113040), (2160, 100637), (2355, 92304), (2512, 86535), (2564, 84780), (2826, 76920), (3140, 69228), (3205, 67824), (3768, 57690), (3846, 56520), (4239, 51280), (4710, 46152), (5128, 42390), (5652, 38460), (5769, 37680), (6280, 34614), (6410, 33912), (7065, 30768), (7536, 28845), (7692, 28260), (8478, 25640), (9420, 23076), (9615, 22608), (10256, 21195), (11304, 19230), (11538, 18840), (12560, 17307), (12820, 16956), (14130, 15384)]