309774080

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{449}}^1$

素因数の和:495

約数の個数: 216

約数和(自身を含む): 943714800

約数和(自身を除く): 633940720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 128, 140, 154, 160, 176, 196, 220, 224, 245, 256, 280, 308, 320, 352, 385, 392, 440, 448, 449, 490, 539, 560, 616, 640, 704, 770, 784, 880, 896, 898, 980, 1078, 1120, 1232, 1280, 1408, 1540, 1568, 1760, 1792, 1796, 1960, 2156, 2240, 2245, 2464, 2695, 2816, 3080, 3136, 3143, 3520, 3592, 3920, 4312, 4480, 4490, 4928, 4939, 5390, 6160, 6272, 6286, 7040, 7184, 7840, 8624, 8960, 8980, 9856, 9878, 10780, 12320, 12544, 12572, 14080, 14368, 15680, 15715, 17248, 17960, 19712, 19756, 21560, 22001, 24640, 24695, 25144, 28736, 31360, 31430, 34496, 34573, 35920, 39512, 43120, 44002, 49280, 49390, 50288, 57472, 62720, 62860, 68992, 69146, 71840, 79024, 86240, 88004, 98560, 98780, 100576, 110005, 114944, 125720, 137984, 138292, 143680, 158048, 172480, 172865, 176008, 197560, 201152, 220010, 242011, 251440, 276584, 287360, 316096, 344960, 345730, 352016, 395120, 402304, 440020, 484022, 502880, 553168, 574720, 632192, 689920, 691460, 704032, 790240, 804608, 880040, 968044, 1005760, 1106336, 1210055, 1264384, 1382920, 1408064, 1580480, 1760080, 1936088, 2011520, 2212672, 2420110, 2765840, 2816128, 3160960, 3520160, 3872176, 4023040, 4425344, 4840220, 5531680, 5632256, 6321920, 7040320, 7744352, 8850688, 9680440, 11063360, 14080640, 15488704, 19360880, 22126720, 28161280, 30977408, 38721760, 44253440, 61954816, 77443520, 154887040, 309774080]

約数ペア:

[(1, 309774080), (2, 154887040), (4, 77443520), (5, 61954816), (7, 44253440), (8, 38721760), (10, 30977408), (11, 28161280), (14, 22126720), (16, 19360880), (20, 15488704), (22, 14080640), (28, 11063360), (32, 9680440), (35, 8850688), (40, 7744352), (44, 7040320), (49, 6321920), (55, 5632256), (56, 5531680), (64, 4840220), (70, 4425344), (77, 4023040), (80, 3872176), (88, 3520160), (98, 3160960), (110, 2816128), (112, 2765840), (128, 2420110), (140, 2212672), (154, 2011520), (160, 1936088), (176, 1760080), (196, 1580480), (220, 1408064), (224, 1382920), (245, 1264384), (256, 1210055), (280, 1106336), (308, 1005760), (320, 968044), (352, 880040), (385, 804608), (392, 790240), (440, 704032), (448, 691460), (449, 689920), (490, 632192), (539, 574720), (560, 553168), (616, 502880), (640, 484022), (704, 440020), (770, 402304), (784, 395120), (880, 352016), (896, 345730), (898, 344960), (980, 316096), (1078, 287360), (1120, 276584), (1232, 251440), (1280, 242011), (1408, 220010), (1540, 201152), (1568, 197560), (1760, 176008), (1792, 172865), (1796, 172480), (1960, 158048), (2156, 143680), (2240, 138292), (2245, 137984), (2464, 125720), (2695, 114944), (2816, 110005), (3080, 100576), (3136, 98780), (3143, 98560), (3520, 88004), (3592, 86240), (3920, 79024), (4312, 71840), (4480, 69146), (4490, 68992), (4928, 62860), (4939, 62720), (5390, 57472), (6160, 50288), (6272, 49390), (6286, 49280), (7040, 44002), (7184, 43120), (7840, 39512), (8624, 35920), (8960, 34573), (8980, 34496), (9856, 31430), (9878, 31360), (10780, 28736), (12320, 25144), (12544, 24695), (12572, 24640), (14080, 22001), (14368, 21560), (15680, 19756), (15715, 19712), (17248, 17960)]