309389920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:146

約数の個数: 288

約数和(自身を含む): 937681920

約数和(自身を除く): 628292000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 32, 35, 38, 40, 49, 56, 62, 67, 70, 76, 80, 95, 98, 112, 124, 133, 134, 140, 152, 155, 160, 190, 196, 217, 224, 245, 248, 266, 268, 280, 304, 310, 335, 380, 392, 434, 469, 490, 496, 532, 536, 560, 589, 608, 620, 665, 670, 760, 784, 868, 931, 938, 980, 992, 1064, 1072, 1085, 1120, 1178, 1240, 1273, 1330, 1340, 1519, 1520, 1568, 1736, 1862, 1876, 1960, 2077, 2128, 2144, 2170, 2345, 2356, 2480, 2546, 2660, 2680, 2945, 3038, 3040, 3283, 3472, 3724, 3752, 3920, 4123, 4154, 4256, 4340, 4655, 4690, 4712, 4960, 5092, 5320, 5360, 5890, 6076, 6365, 6566, 6944, 7448, 7504, 7595, 7840, 8246, 8308, 8680, 8911, 9310, 9380, 9424, 10184, 10385, 10640, 10720, 11780, 12152, 12730, 13132, 14539, 14896, 15008, 15190, 16415, 16492, 16616, 17360, 17822, 18620, 18760, 18848, 20368, 20615, 20770, 21280, 23560, 24304, 25460, 26264, 28861, 29078, 29792, 30380, 32830, 32984, 33232, 34720, 35644, 37240, 37520, 39463, 40736, 41230, 41540, 44555, 47120, 48608, 50920, 52528, 57722, 58156, 60760, 62377, 65660, 65968, 66464, 71288, 72695, 74480, 75040, 78926, 82460, 83080, 89110, 94240, 101773, 101840, 105056, 115444, 116312, 121520, 124754, 131320, 131936, 142576, 144305, 145390, 148960, 157852, 164920, 166160, 178220, 197315, 203546, 203680, 230888, 232624, 243040, 249508, 262640, 276241, 285152, 288610, 290780, 311885, 315704, 329840, 332320, 356440, 394630, 407092, 461776, 465248, 499016, 508865, 525280, 552482, 577220, 581560, 623770, 631408, 659680, 712880, 789260, 814184, 923552, 998032, 1017730, 1104964, 1154440, 1163120, 1247540, 1262816, 1381205, 1425760, 1578520, 1628368, 1933687, 1996064, 2035460, 2209928, 2308880, 2326240, 2495080, 2762410, 3157040, 3256736, 3867374, 4070920, 4419856, 4617760, 4990160, 5524820, 6314080, 7734748, 8141840, 8839712, 9668435, 9980320, 11049640, 15469496, 16283680, 19336870, 22099280, 30938992, 38673740, 44198560, 61877984, 77347480, 154694960, 309389920]

約数ペア:

[(1, 309389920), (2, 154694960), (4, 77347480), (5, 61877984), (7, 44198560), (8, 38673740), (10, 30938992), (14, 22099280), (16, 19336870), (19, 16283680), (20, 15469496), (28, 11049640), (31, 9980320), (32, 9668435), (35, 8839712), (38, 8141840), (40, 7734748), (49, 6314080), (56, 5524820), (62, 4990160), (67, 4617760), (70, 4419856), (76, 4070920), (80, 3867374), (95, 3256736), (98, 3157040), (112, 2762410), (124, 2495080), (133, 2326240), (134, 2308880), (140, 2209928), (152, 2035460), (155, 1996064), (160, 1933687), (190, 1628368), (196, 1578520), (217, 1425760), (224, 1381205), (245, 1262816), (248, 1247540), (266, 1163120), (268, 1154440), (280, 1104964), (304, 1017730), (310, 998032), (335, 923552), (380, 814184), (392, 789260), (434, 712880), (469, 659680), (490, 631408), (496, 623770), (532, 581560), (536, 577220), (560, 552482), (589, 525280), (608, 508865), (620, 499016), (665, 465248), (670, 461776), (760, 407092), (784, 394630), (868, 356440), (931, 332320), (938, 329840), (980, 315704), (992, 311885), (1064, 290780), (1072, 288610), (1085, 285152), (1120, 276241), (1178, 262640), (1240, 249508), (1273, 243040), (1330, 232624), (1340, 230888), (1519, 203680), (1520, 203546), (1568, 197315), (1736, 178220), (1862, 166160), (1876, 164920), (1960, 157852), (2077, 148960), (2128, 145390), (2144, 144305), (2170, 142576), (2345, 131936), (2356, 131320), (2480, 124754), (2546, 121520), (2660, 116312), (2680, 115444), (2945, 105056), (3038, 101840), (3040, 101773), (3283, 94240), (3472, 89110), (3724, 83080), (3752, 82460), (3920, 78926), (4123, 75040), (4154, 74480), (4256, 72695), (4340, 71288), (4655, 66464), (4690, 65968), (4712, 65660), (4960, 62377), (5092, 60760), (5320, 58156), (5360, 57722), (5890, 52528), (6076, 50920), (6365, 48608), (6566, 47120), (6944, 44555), (7448, 41540), (7504, 41230), (7595, 40736), (7840, 39463), (8246, 37520), (8308, 37240), (8680, 35644), (8911, 34720), (9310, 33232), (9380, 32984), (9424, 32830), (10184, 30380), (10385, 29792), (10640, 29078), (10720, 28861), (11780, 26264), (12152, 25460), (12730, 24304), (13132, 23560), (14539, 21280), (14896, 20770), (15008, 20615), (15190, 20368), (16415, 18848), (16492, 18760), (16616, 18620), (17360, 17822)]