1721940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2609}}^1$

素因数の和:2632

約数の個数: 48

約数和(自身を含む): 5261760

約数和(自身を除く): 3539820

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 2609, 5218, 7827, 10436, 13045, 15654, 26090, 28699, 31308, 39135, 52180, 57398, 78270, 86097, 114796, 143495, 156540, 172194, 286990, 344388, 430485, 573980, 860970, 1721940]

約数ペア:

[(1, 1721940), (2, 860970), (3, 573980), (4, 430485), (5, 344388), (6, 286990), (10, 172194), (11, 156540), (12, 143495), (15, 114796), (20, 86097), (22, 78270), (30, 57398), (33, 52180), (44, 39135), (55, 31308), (60, 28699), (66, 26090), (110, 15654), (132, 13045), (165, 10436), (220, 7827), (330, 5218), (660, 2609)]