287892720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{399851}}^1$

素因数の和:399870

約数の個数: 60

約数和(自身を含む): 966842136

約数和(自身を除く): 678949416

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, 399851, 799702, 1199553, 1599404, 1999255, 2399106, 3198808, 3598659, 3998510, 4798212, 5997765, 6397616, 7197318, 7997020, 9596424, 11995530, 14394636, 15994040, 17993295, 19192848, 23991060, 28789272, 31988080, 35986590, 47982120, 57578544, 71973180, 95964240, 143946360, 287892720]

約数ペア:

[(1, 287892720), (2, 143946360), (3, 95964240), (4, 71973180), (5, 57578544), (6, 47982120), (8, 35986590), (9, 31988080), (10, 28789272), (12, 23991060), (15, 19192848), (16, 17993295), (18, 15994040), (20, 14394636), (24, 11995530), (30, 9596424), (36, 7997020), (40, 7197318), (45, 6397616), (48, 5997765), (60, 4798212), (72, 3998510), (80, 3598659), (90, 3198808), (120, 2399106), (144, 1999255), (180, 1599404), (240, 1199553), (360, 799702), (720, 399851)]