405145728

素因数分解:

$2^7\times 3^2\times {\mathrm{13}}^2\times {\mathrm{2081}}^1$

素因数の和:2127

約数の個数: 144

約数和(自身を含む): 1263034890

約数和(自身を除く): 857889162

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 169, 192, 208, 234, 288, 312, 338, 384, 416, 468, 507, 576, 624, 676, 832, 936, 1014, 1152, 1248, 1352, 1521, 1664, 1872, 2028, 2081, 2496, 2704, 3042, 3744, 4056, 4162, 4992, 5408, 6084, 6243, 7488, 8112, 8324, 10816, 12168, 12486, 14976, 16224, 16648, 18729, 21632, 24336, 24972, 27053, 32448, 33296, 37458, 48672, 49944, 54106, 64896, 66592, 74916, 81159, 97344, 99888, 108212, 133184, 149832, 162318, 194688, 199776, 216424, 243477, 266368, 299664, 324636, 351689, 399552, 432848, 486954, 599328, 649272, 703378, 799104, 865696, 973908, 1055067, 1198656, 1298544, 1406756, 1731392, 1947816, 2110134, 2397312, 2597088, 2813512, 3165201, 3462784, 3895632, 4220268, 5194176, 5627024, 6330402, 7791264, 8440536, 10388352, 11254048, 12660804, 15582528, 16881072, 22508096, 25321608, 31165056, 33762144, 45016192, 50643216, 67524288, 101286432, 135048576, 202572864, 405145728]

約数ペア:

[(1, 405145728), (2, 202572864), (3, 135048576), (4, 101286432), (6, 67524288), (8, 50643216), (9, 45016192), (12, 33762144), (13, 31165056), (16, 25321608), (18, 22508096), (24, 16881072), (26, 15582528), (32, 12660804), (36, 11254048), (39, 10388352), (48, 8440536), (52, 7791264), (64, 6330402), (72, 5627024), (78, 5194176), (96, 4220268), (104, 3895632), (117, 3462784), (128, 3165201), (144, 2813512), (156, 2597088), (169, 2397312), (192, 2110134), (208, 1947816), (234, 1731392), (288, 1406756), (312, 1298544), (338, 1198656), (384, 1055067), (416, 973908), (468, 865696), (507, 799104), (576, 703378), (624, 649272), (676, 599328), (832, 486954), (936, 432848), (1014, 399552), (1152, 351689), (1248, 324636), (1352, 299664), (1521, 266368), (1664, 243477), (1872, 216424), (2028, 199776), (2081, 194688), (2496, 162318), (2704, 149832), (3042, 133184), (3744, 108212), (4056, 99888), (4162, 97344), (4992, 81159), (5408, 74916), (6084, 66592), (6243, 64896), (7488, 54106), (8112, 49944), (8324, 48672), (10816, 37458), (12168, 33296), (12486, 32448), (14976, 27053), (16224, 24972), (16648, 24336), (18729, 21632)]