257251560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2143763}}^1$

素因数の和:2143777

約数の個数: 32

約数和(自身を含む): 771755040

約数和(自身を除く): 514503480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2143763, 4287526, 6431289, 8575052, 10718815, 12862578, 17150104, 21437630, 25725156, 32156445, 42875260, 51450312, 64312890, 85750520, 128625780, 257251560]

約数ペア:

[(1, 257251560), (2, 128625780), (3, 85750520), (4, 64312890), (5, 51450312), (6, 42875260), (8, 32156445), (10, 25725156), (12, 21437630), (15, 17150104), (20, 12862578), (24, 10718815), (30, 8575052), (40, 6431289), (60, 4287526), (120, 2143763)]