128243940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{194309}}^1$

素因数の和:194332

約数の個数: 48

約数和(自身を含む): 391728960

約数和(自身を除く): 263485020

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, 194309, 388618, 582927, 777236, 971545, 1165854, 1943090, 2137399, 2331708, 2914635, 3886180, 4274798, 5829270, 6412197, 8549596, 10686995, 11658540, 12824394, 21373990, 25648788, 32060985, 42747980, 64121970, 128243940]

約数ペア:

[(1, 128243940), (2, 64121970), (3, 42747980), (4, 32060985), (5, 25648788), (6, 21373990), (10, 12824394), (11, 11658540), (12, 10686995), (15, 8549596), (20, 6412197), (22, 5829270), (30, 4274798), (33, 3886180), (44, 2914635), (55, 2331708), (60, 2137399), (66, 1943090), (110, 1165854), (132, 971545), (165, 777236), (220, 582927), (330, 388618), (660, 194309)]