256706280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{237691}}^1$

素因数の和:237711

約数の個数: 64

約数和(自身を含む): 855691200

約数和(自身を除く): 598984920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 237691, 475382, 713073, 950764, 1188455, 1426146, 1901528, 2139219, 2376910, 2852292, 3565365, 4278438, 4753820, 5704584, 6417657, 7130730, 8556876, 9507640, 10696095, 12835314, 14261460, 17113752, 21392190, 25670628, 28522920, 32088285, 42784380, 51341256, 64176570, 85568760, 128353140, 256706280]

約数ペア:

[(1, 256706280), (2, 128353140), (3, 85568760), (4, 64176570), (5, 51341256), (6, 42784380), (8, 32088285), (9, 28522920), (10, 25670628), (12, 21392190), (15, 17113752), (18, 14261460), (20, 12835314), (24, 10696095), (27, 9507640), (30, 8556876), (36, 7130730), (40, 6417657), (45, 5704584), (54, 4753820), (60, 4278438), (72, 3565365), (90, 2852292), (108, 2376910), (120, 2139219), (135, 1901528), (180, 1426146), (216, 1188455), (270, 950764), (360, 713073), (540, 475382), (1080, 237691)]