128947248

素因数分解:

$2^4\times 3^3\times {\mathrm{421}}^1\times {\mathrm{709}}^1$

素因数の和:1147

約数の個数: 80

約数和(自身を含む): 371528800

約数和(自身を除く): 242581552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 421, 432, 709, 842, 1263, 1418, 1684, 2127, 2526, 2836, 3368, 3789, 4254, 5052, 5672, 6381, 6736, 7578, 8508, 10104, 11344, 11367, 12762, 15156, 17016, 19143, 20208, 22734, 25524, 30312, 34032, 38286, 45468, 51048, 60624, 76572, 90936, 102096, 153144, 181872, 298489, 306288, 596978, 895467, 1193956, 1790934, 2387912, 2686401, 3581868, 4775824, 5372802, 7163736, 8059203, 10745604, 14327472, 16118406, 21491208, 32236812, 42982416, 64473624, 128947248]

約数ペア:

[(1, 128947248), (2, 64473624), (3, 42982416), (4, 32236812), (6, 21491208), (8, 16118406), (9, 14327472), (12, 10745604), (16, 8059203), (18, 7163736), (24, 5372802), (27, 4775824), (36, 3581868), (48, 2686401), (54, 2387912), (72, 1790934), (108, 1193956), (144, 895467), (216, 596978), (421, 306288), (432, 298489), (709, 181872), (842, 153144), (1263, 102096), (1418, 90936), (1684, 76572), (2127, 60624), (2526, 51048), (2836, 45468), (3368, 38286), (3789, 34032), (4254, 30312), (5052, 25524), (5672, 22734), (6381, 20208), (6736, 19143), (7578, 17016), (8508, 15156), (10104, 12762), (11344, 11367)]