217591380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{402947}}^1$

素因数の和:402965

約数の個数: 48

約数和(自身を含む): 676952640

約数和(自身を除く): 459361260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 402947, 805894, 1208841, 1611788, 2014735, 2417682, 3626523, 4029470, 4835364, 6044205, 7253046, 8058940, 10879569, 12088410, 14506092, 18132615, 21759138, 24176820, 36265230, 43518276, 54397845, 72530460, 108795690, 217591380]

約数ペア:

[(1, 217591380), (2, 108795690), (3, 72530460), (4, 54397845), (5, 43518276), (6, 36265230), (9, 24176820), (10, 21759138), (12, 18132615), (15, 14506092), (18, 12088410), (20, 10879569), (27, 8058940), (30, 7253046), (36, 6044205), (45, 4835364), (54, 4029470), (60, 3626523), (90, 2417682), (108, 2014735), (135, 1611788), (180, 1208841), (270, 805894), (540, 402947)]