1278602080

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2297}}^1$

素因数の和:2397

約数の個数: 144

約数和(自身を含む): 3564914976

約数和(自身を除く): 2286312896

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, 2272, 2297, 2485, 2840, 3479, 3920, 3976, 4594, 4970, 5680, 6958, 7840, 7952, 9188, 9940, 11360, 11485, 13916, 15904, 16079, 17395, 18376, 19880, 22970, 27832, 32158, 34790, 36752, 39760, 45940, 55664, 64316, 69580, 73504, 79520, 80395, 91880, 111328, 112553, 128632, 139160, 160790, 163087, 183760, 225106, 257264, 278320, 321580, 326174, 367520, 450212, 514528, 556640, 562765, 643160, 652348, 815435, 900424, 1125530, 1141609, 1286320, 1304696, 1630870, 1800848, 2251060, 2283218, 2572640, 2609392, 3261740, 3601696, 4502120, 4566436, 5218784, 5708045, 6523480, 7991263, 9004240, 9132872, 11416090, 13046960, 15982526, 18008480, 18265744, 22832180, 26093920, 31965052, 36531488, 39956315, 45664360, 63930104, 79912630, 91328720, 127860208, 159825260, 182657440, 255720416, 319650520, 639301040, 1278602080]

約数ペア:

[(1, 1278602080), (2, 639301040), (4, 319650520), (5, 255720416), (7, 182657440), (8, 159825260), (10, 127860208), (14, 91328720), (16, 79912630), (20, 63930104), (28, 45664360), (32, 39956315), (35, 36531488), (40, 31965052), (49, 26093920), (56, 22832180), (70, 18265744), (71, 18008480), (80, 15982526), (98, 13046960), (112, 11416090), (140, 9132872), (142, 9004240), (160, 7991263), (196, 6523480), (224, 5708045), (245, 5218784), (280, 4566436), (284, 4502120), (355, 3601696), (392, 3261740), (490, 2609392), (497, 2572640), (560, 2283218), (568, 2251060), (710, 1800848), (784, 1630870), (980, 1304696), (994, 1286320), (1120, 1141609), (1136, 1125530), (1420, 900424), (1568, 815435), (1960, 652348), (1988, 643160), (2272, 562765), (2297, 556640), (2485, 514528), (2840, 450212), (3479, 367520), (3920, 326174), (3976, 321580), (4594, 278320), (4970, 257264), (5680, 225106), (6958, 183760), (7840, 163087), (7952, 160790), (9188, 139160), (9940, 128632), (11360, 112553), (11485, 111328), (13916, 91880), (15904, 80395), (16079, 79520), (17395, 73504), (18376, 69580), (19880, 64316), (22970, 55664), (27832, 45940), (32158, 39760), (34790, 36752)]