78680880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109279}}^1$

素因数の和:109298

約数の個数: 60

約数和(自身を含む): 264239040

約数和(自身を除く): 185558160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 109279, 218558, 327837, 437116, 546395, 655674, 874232, 983511, 1092790, 1311348, 1639185, 1748464, 1967022, 2185580, 2622696, 3278370, 3934044, 4371160, 4917555, 5245392, 6556740, 7868088, 8742320, 9835110, 13113480, 15736176, 19670220, 26226960, 39340440, 78680880]

約数ペア:

[(1, 78680880), (2, 39340440), (3, 26226960), (4, 19670220), (5, 15736176), (6, 13113480), (8, 9835110), (9, 8742320), (10, 7868088), (12, 6556740), (15, 5245392), (16, 4917555), (18, 4371160), (20, 3934044), (24, 3278370), (30, 2622696), (36, 2185580), (40, 1967022), (45, 1748464), (48, 1639185), (60, 1311348), (72, 1092790), (80, 983511), (90, 874232), (120, 655674), (144, 546395), (180, 437116), (240, 327837), (360, 218558), (720, 109279)]