1236297440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2221}}^1$

素因数の和:2321

約数の個数: 144

約数和(自身を含む): 3447015264

約数和(自身を除く): 2210717824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 71, 80, 98, 112, 140, 142, 160, 196, 224, 245, 280, 284, 355, 392, 490, 497, 560, 568, 710, 784, 980, 994, 1120, 1136, 1420, 1568, 1960, 1988, 2221, 2272, 2485, 2840, 3479, 3920, 3976, 4442, 4970, 5680, 6958, 7840, 7952, 8884, 9940, 11105, 11360, 13916, 15547, 15904, 17395, 17768, 19880, 22210, 27832, 31094, 34790, 35536, 39760, 44420, 55664, 62188, 69580, 71072, 77735, 79520, 88840, 108829, 111328, 124376, 139160, 155470, 157691, 177680, 217658, 248752, 278320, 310940, 315382, 355360, 435316, 497504, 544145, 556640, 621880, 630764, 788455, 870632, 1088290, 1103837, 1243760, 1261528, 1576910, 1741264, 2176580, 2207674, 2487520, 2523056, 3153820, 3482528, 4353160, 4415348, 5046112, 5519185, 6307640, 7726859, 8706320, 8830696, 11038370, 12615280, 15453718, 17412640, 17661392, 22076740, 25230560, 30907436, 35322784, 38634295, 44153480, 61814872, 77268590, 88306960, 123629744, 154537180, 176613920, 247259488, 309074360, 618148720, 1236297440]

約数ペア:

[(1, 1236297440), (2, 618148720), (4, 309074360), (5, 247259488), (7, 176613920), (8, 154537180), (10, 123629744), (14, 88306960), (16, 77268590), (20, 61814872), (28, 44153480), (32, 38634295), (35, 35322784), (40, 30907436), (49, 25230560), (56, 22076740), (70, 17661392), (71, 17412640), (80, 15453718), (98, 12615280), (112, 11038370), (140, 8830696), (142, 8706320), (160, 7726859), (196, 6307640), (224, 5519185), (245, 5046112), (280, 4415348), (284, 4353160), (355, 3482528), (392, 3153820), (490, 2523056), (497, 2487520), (560, 2207674), (568, 2176580), (710, 1741264), (784, 1576910), (980, 1261528), (994, 1243760), (1120, 1103837), (1136, 1088290), (1420, 870632), (1568, 788455), (1960, 630764), (1988, 621880), (2221, 556640), (2272, 544145), (2485, 497504), (2840, 435316), (3479, 355360), (3920, 315382), (3976, 310940), (4442, 278320), (4970, 248752), (5680, 217658), (6958, 177680), (7840, 157691), (7952, 155470), (8884, 139160), (9940, 124376), (11105, 111328), (11360, 108829), (13916, 88840), (15547, 79520), (15904, 77735), (17395, 71072), (17768, 69580), (19880, 62188), (22210, 55664), (27832, 44420), (31094, 39760), (34790, 35536)]