640945356

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{6373}}^1$

素因数の和:6443

約数の個数: 72

約数和(自身を含む): 1643727120

約数和(自身を除く): 1002781764

約数列:

[1, 2, 3, 4, 6, 12, 17, 29, 34, 51, 58, 68, 87, 102, 116, 174, 204, 289, 348, 493, 578, 867, 986, 1156, 1479, 1734, 1972, 2958, 3468, 5916, 6373, 8381, 12746, 16762, 19119, 25143, 25492, 33524, 38238, 50286, 76476, 100572, 108341, 184817, 216682, 325023, 369634, 433364, 554451, 650046, 739268, 1108902, 1300092, 1841797, 2217804, 3141889, 3683594, 5525391, 6283778, 7367188, 9425667, 11050782, 12567556, 18851334, 22101564, 37702668, 53412113, 106824226, 160236339, 213648452, 320472678, 640945356]

約数ペア:

[(1, 640945356), (2, 320472678), (3, 213648452), (4, 160236339), (6, 106824226), (12, 53412113), (17, 37702668), (29, 22101564), (34, 18851334), (51, 12567556), (58, 11050782), (68, 9425667), (87, 7367188), (102, 6283778), (116, 5525391), (174, 3683594), (204, 3141889), (289, 2217804), (348, 1841797), (493, 1300092), (578, 1108902), (867, 739268), (986, 650046), (1156, 554451), (1479, 433364), (1734, 369634), (1972, 325023), (2958, 216682), (3468, 184817), (5916, 108341), (6373, 100572), (8381, 76476), (12746, 50286), (16762, 38238), (19119, 33524), (25143, 25492)]