128952880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{230273}}^1$

素因数の和:230293

約数の個数: 40

約数和(自身を含む): 342647712

約数和(自身を除く): 213694832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 230273, 460546, 921092, 1151365, 1611911, 1842184, 2302730, 3223822, 3684368, 4605460, 6447644, 8059555, 9210920, 12895288, 16119110, 18421840, 25790576, 32238220, 64476440, 128952880]

約数ペア:

[(1, 128952880), (2, 64476440), (4, 32238220), (5, 25790576), (7, 18421840), (8, 16119110), (10, 12895288), (14, 9210920), (16, 8059555), (20, 6447644), (28, 4605460), (35, 3684368), (40, 3223822), (56, 2302730), (70, 1842184), (80, 1611911), (112, 1151365), (140, 921092), (280, 460546), (560, 230273)]