21285145280

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{409}}^1\times {\mathrm{3319}}^1$

素因数の和:3759

約数の個数: 168

約数和(自身を含む): 59122360800

約数和(自身を除く): 37837215520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 409, 448, 490, 560, 784, 818, 980, 1120, 1568, 1636, 1960, 2045, 2240, 2863, 3136, 3272, 3319, 3920, 4090, 5726, 6544, 6638, 7840, 8180, 11452, 13088, 13276, 14315, 15680, 16360, 16595, 20041, 22904, 23233, 26176, 26552, 28630, 32720, 33190, 40082, 45808, 46466, 53104, 57260, 65440, 66380, 80164, 91616, 92932, 100205, 106208, 114520, 116165, 130880, 132760, 160328, 162631, 183232, 185864, 200410, 212416, 229040, 232330, 265520, 320656, 325262, 371728, 400820, 458080, 464660, 531040, 641312, 650524, 743456, 801640, 813155, 916160, 929320, 1062080, 1282624, 1301048, 1357471, 1486912, 1603280, 1626310, 1858640, 2602096, 2714942, 3206560, 3252620, 3717280, 5204192, 5429884, 6413120, 6505240, 6787355, 7434560, 9502297, 10408384, 10859768, 13010480, 13574710, 19004594, 21719536, 26020960, 27149420, 38009188, 43439072, 47511485, 52041920, 54298840, 66516079, 76018376, 86878144, 95022970, 108597680, 133032158, 152036752, 190045940, 217195360, 266064316, 304073504, 332580395, 380091880, 434390720, 532128632, 608147008, 665160790, 760183760, 1064257264, 1330321580, 1520367520, 2128514528, 2660643160, 3040735040, 4257029056, 5321286320, 10642572640, 21285145280]

約数ペア:

[(1, 21285145280), (2, 10642572640), (4, 5321286320), (5, 4257029056), (7, 3040735040), (8, 2660643160), (10, 2128514528), (14, 1520367520), (16, 1330321580), (20, 1064257264), (28, 760183760), (32, 665160790), (35, 608147008), (40, 532128632), (49, 434390720), (56, 380091880), (64, 332580395), (70, 304073504), (80, 266064316), (98, 217195360), (112, 190045940), (140, 152036752), (160, 133032158), (196, 108597680), (224, 95022970), (245, 86878144), (280, 76018376), (320, 66516079), (392, 54298840), (409, 52041920), (448, 47511485), (490, 43439072), (560, 38009188), (784, 27149420), (818, 26020960), (980, 21719536), (1120, 19004594), (1568, 13574710), (1636, 13010480), (1960, 10859768), (2045, 10408384), (2240, 9502297), (2863, 7434560), (3136, 6787355), (3272, 6505240), (3319, 6413120), (3920, 5429884), (4090, 5204192), (5726, 3717280), (6544, 3252620), (6638, 3206560), (7840, 2714942), (8180, 2602096), (11452, 1858640), (13088, 1626310), (13276, 1603280), (14315, 1486912), (15680, 1357471), (16360, 1301048), (16595, 1282624), (20041, 1062080), (22904, 929320), (23233, 916160), (26176, 813155), (26552, 801640), (28630, 743456), (32720, 650524), (33190, 641312), (40082, 531040), (45808, 464660), (46466, 458080), (53104, 400820), (57260, 371728), (65440, 325262), (66380, 320656), (80164, 265520), (91616, 232330), (92932, 229040), (100205, 212416), (106208, 200410), (114520, 185864), (116165, 183232), (130880, 162631), (132760, 160328)]