213808080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{890867}}^1$

素因数の和:890883

約数の個数: 40

約数和(自身を含む): 662805792

約数和(自身を除く): 448997712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 890867, 1781734, 2672601, 3563468, 4454335, 5345202, 7126936, 8908670, 10690404, 13363005, 14253872, 17817340, 21380808, 26726010, 35634680, 42761616, 53452020, 71269360, 106904040, 213808080]

約数ペア:

[(1, 213808080), (2, 106904040), (3, 71269360), (4, 53452020), (5, 42761616), (6, 35634680), (8, 26726010), (10, 21380808), (12, 17817340), (15, 14253872), (16, 13363005), (20, 10690404), (24, 8908670), (30, 7126936), (40, 5345202), (48, 4454335), (60, 3563468), (80, 2672601), (120, 1781734), (240, 890867)]