66809880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61861}}^1$

素因数の和:61881

約数の個数: 64

約数和(自身を含む): 222703200

約数和(自身を除く): 155893320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 61861, 123722, 185583, 247444, 309305, 371166, 494888, 556749, 618610, 742332, 927915, 1113498, 1237220, 1484664, 1670247, 1855830, 2226996, 2474440, 2783745, 3340494, 3711660, 4453992, 5567490, 6680988, 7423320, 8351235, 11134980, 13361976, 16702470, 22269960, 33404940, 66809880]

約数ペア:

[(1, 66809880), (2, 33404940), (3, 22269960), (4, 16702470), (5, 13361976), (6, 11134980), (8, 8351235), (9, 7423320), (10, 6680988), (12, 5567490), (15, 4453992), (18, 3711660), (20, 3340494), (24, 2783745), (27, 2474440), (30, 2226996), (36, 1855830), (40, 1670247), (45, 1484664), (54, 1237220), (60, 1113498), (72, 927915), (90, 742332), (108, 618610), (120, 556749), (135, 494888), (180, 371166), (216, 309305), (270, 247444), (360, 185583), (540, 123722), (1080, 61861)]