666480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2777}}^1$

素因数の和:2793

約数の個数: 40

約数和(自身を含む): 2066832

約数和(自身を除く): 1400352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2777, 5554, 8331, 11108, 13885, 16662, 22216, 27770, 33324, 41655, 44432, 55540, 66648, 83310, 111080, 133296, 166620, 222160, 333240, 666480]

約数ペア:

[(1, 666480), (2, 333240), (3, 222160), (4, 166620), (5, 133296), (6, 111080), (8, 83310), (10, 66648), (12, 55540), (15, 44432), (16, 41655), (20, 33324), (24, 27770), (30, 22216), (40, 16662), (48, 13885), (60, 11108), (80, 8331), (120, 5554), (240, 2777)]