261303510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{1093}}^1$

素因数の和:1729

約数の個数: 64

約数和(自身を含む): 677089728

約数和(自身を除く): 415786218

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 613, 1093, 1226, 1839, 2186, 3065, 3279, 3678, 5465, 6130, 6558, 7969, 9195, 10930, 14209, 15938, 16395, 18390, 23907, 28418, 32790, 39845, 42627, 47814, 71045, 79690, 85254, 119535, 142090, 213135, 239070, 426270, 670009, 1340018, 2010027, 3350045, 4020054, 6700090, 8710117, 10050135, 17420234, 20100270, 26130351, 43550585, 52260702, 87101170, 130651755, 261303510]

約数ペア:

[(1, 261303510), (2, 130651755), (3, 87101170), (5, 52260702), (6, 43550585), (10, 26130351), (13, 20100270), (15, 17420234), (26, 10050135), (30, 8710117), (39, 6700090), (65, 4020054), (78, 3350045), (130, 2010027), (195, 1340018), (390, 670009), (613, 426270), (1093, 239070), (1226, 213135), (1839, 142090), (2186, 119535), (3065, 85254), (3279, 79690), (3678, 71045), (5465, 47814), (6130, 42627), (6558, 39845), (7969, 32790), (9195, 28418), (10930, 23907), (14209, 18390), (15938, 16395)]