1815919736

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:445

約数の個数: 128

約数和(自身を含む): 3959746560

約数和(自身を除く): 2143826824

約数列:

[1, 2, 4, 8, 17, 23, 31, 34, 46, 61, 62, 68, 92, 122, 124, 136, 184, 244, 248, 307, 391, 488, 527, 614, 713, 782, 1037, 1054, 1228, 1403, 1426, 1564, 1891, 2074, 2108, 2456, 2806, 2852, 3128, 3782, 4148, 4216, 5219, 5612, 5704, 7061, 7564, 8296, 9517, 10438, 11224, 12121, 14122, 15128, 18727, 19034, 20876, 23851, 24242, 28244, 32147, 37454, 38068, 41752, 43493, 47702, 48484, 56488, 64294, 74908, 76136, 86986, 95404, 96968, 120037, 128588, 149816, 161789, 173972, 190808, 218891, 240074, 257176, 318359, 323578, 347944, 430721, 437782, 480148, 580537, 636718, 647156, 739381, 861442, 875564, 960296, 1161074, 1273436, 1294312, 1478762, 1722884, 1751128, 2322148, 2546872, 2957524, 3445768, 3721147, 4644296, 5915048, 7322257, 7442294, 9869129, 13352351, 14644514, 14884588, 19738258, 26704702, 29289028, 29769176, 39476516, 53409404, 58578056, 78953032, 106818808, 226989967, 453979934, 907959868, 1815919736]

約数ペア:

[(1, 1815919736), (2, 907959868), (4, 453979934), (8, 226989967), (17, 106818808), (23, 78953032), (31, 58578056), (34, 53409404), (46, 39476516), (61, 29769176), (62, 29289028), (68, 26704702), (92, 19738258), (122, 14884588), (124, 14644514), (136, 13352351), (184, 9869129), (244, 7442294), (248, 7322257), (307, 5915048), (391, 4644296), (488, 3721147), (527, 3445768), (614, 2957524), (713, 2546872), (782, 2322148), (1037, 1751128), (1054, 1722884), (1228, 1478762), (1403, 1294312), (1426, 1273436), (1564, 1161074), (1891, 960296), (2074, 875564), (2108, 861442), (2456, 739381), (2806, 647156), (2852, 636718), (3128, 580537), (3782, 480148), (4148, 437782), (4216, 430721), (5219, 347944), (5612, 323578), (5704, 318359), (7061, 257176), (7564, 240074), (8296, 218891), (9517, 190808), (10438, 173972), (11224, 161789), (12121, 149816), (14122, 128588), (15128, 120037), (18727, 96968), (19034, 95404), (20876, 86986), (23851, 76136), (24242, 74908), (28244, 64294), (32147, 56488), (37454, 48484), (38068, 47702), (41752, 43493)]