128412720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{178351}}^1$

素因数の和:178370

約数の個数: 60

約数和(自身を含む): 431255136

約数和(自身を除く): 302842416

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, 178351, 356702, 535053, 713404, 891755, 1070106, 1426808, 1605159, 1783510, 2140212, 2675265, 2853616, 3210318, 3567020, 4280424, 5350530, 6420636, 7134040, 8025795, 8560848, 10701060, 12841272, 14268080, 16051590, 21402120, 25682544, 32103180, 42804240, 64206360, 128412720]

約数ペア:

[(1, 128412720), (2, 64206360), (3, 42804240), (4, 32103180), (5, 25682544), (6, 21402120), (8, 16051590), (9, 14268080), (10, 12841272), (12, 10701060), (15, 8560848), (16, 8025795), (18, 7134040), (20, 6420636), (24, 5350530), (30, 4280424), (36, 3567020), (40, 3210318), (45, 2853616), (48, 2675265), (60, 2140212), (72, 1783510), (80, 1605159), (90, 1426808), (120, 1070106), (144, 891755), (180, 713404), (240, 535053), (360, 356702), (720, 178351)]