21011294080

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{21613}}^1$

素因数の和:21677

約数の個数: 192

約数和(自身を含む): 60318622080

約数和(自身を除く): 39307328000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 128, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 320, 392, 434, 448, 490, 496, 560, 620, 640, 784, 868, 896, 980, 992, 1085, 1120, 1240, 1519, 1568, 1736, 1960, 1984, 2170, 2240, 2480, 3038, 3136, 3472, 3920, 3968, 4340, 4480, 4960, 6076, 6272, 6944, 7595, 7840, 8680, 9920, 12152, 13888, 15190, 15680, 17360, 19840, 21613, 24304, 27776, 30380, 31360, 34720, 43226, 48608, 60760, 69440, 86452, 97216, 108065, 121520, 138880, 151291, 172904, 194432, 216130, 243040, 302582, 345808, 432260, 486080, 605164, 670003, 691616, 756455, 864520, 972160, 1059037, 1210328, 1340006, 1383232, 1512910, 1729040, 2118074, 2420656, 2680012, 2766464, 3025820, 3350015, 3458080, 4236148, 4690021, 4841312, 5295185, 5360024, 6051640, 6700030, 6916160, 8472296, 9380042, 9682624, 10590370, 10720048, 12103280, 13400060, 13832320, 16944592, 18760084, 19365248, 21180740, 21440096, 23450105, 24206560, 26800120, 32830147, 33889184, 37520168, 42361480, 42880192, 46900210, 48413120, 53600240, 65660294, 67778368, 75040336, 84722960, 85760384, 93800420, 96826240, 107200480, 131320588, 135556736, 150080672, 164150735, 169445920, 187600840, 214400960, 262641176, 300161344, 328301470, 338891840, 375201680, 428801920, 525282352, 600322688, 656602940, 677783680, 750403360, 1050564704, 1313205880, 1500806720, 2101129408, 2626411760, 3001613440, 4202258816, 5252823520, 10505647040, 21011294080]

約数ペア:

[(1, 21011294080), (2, 10505647040), (4, 5252823520), (5, 4202258816), (7, 3001613440), (8, 2626411760), (10, 2101129408), (14, 1500806720), (16, 1313205880), (20, 1050564704), (28, 750403360), (31, 677783680), (32, 656602940), (35, 600322688), (40, 525282352), (49, 428801920), (56, 375201680), (62, 338891840), (64, 328301470), (70, 300161344), (80, 262641176), (98, 214400960), (112, 187600840), (124, 169445920), (128, 164150735), (140, 150080672), (155, 135556736), (160, 131320588), (196, 107200480), (217, 96826240), (224, 93800420), (245, 85760384), (248, 84722960), (280, 75040336), (310, 67778368), (320, 65660294), (392, 53600240), (434, 48413120), (448, 46900210), (490, 42880192), (496, 42361480), (560, 37520168), (620, 33889184), (640, 32830147), (784, 26800120), (868, 24206560), (896, 23450105), (980, 21440096), (992, 21180740), (1085, 19365248), (1120, 18760084), (1240, 16944592), (1519, 13832320), (1568, 13400060), (1736, 12103280), (1960, 10720048), (1984, 10590370), (2170, 9682624), (2240, 9380042), (2480, 8472296), (3038, 6916160), (3136, 6700030), (3472, 6051640), (3920, 5360024), (3968, 5295185), (4340, 4841312), (4480, 4690021), (4960, 4236148), (6076, 3458080), (6272, 3350015), (6944, 3025820), (7595, 2766464), (7840, 2680012), (8680, 2420656), (9920, 2118074), (12152, 1729040), (13888, 1512910), (15190, 1383232), (15680, 1340006), (17360, 1210328), (19840, 1059037), (21613, 972160), (24304, 864520), (27776, 756455), (30380, 691616), (31360, 670003), (34720, 605164), (43226, 486080), (48608, 432260), (60760, 345808), (69440, 302582), (86452, 243040), (97216, 216130), (108065, 194432), (121520, 172904), (138880, 151291)]