128865060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{238639}}^1$

素因数の和:238657

約数の個数: 48

約数和(自身を含む): 400915200

約数和(自身を除く): 272050140

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, 238639, 477278, 715917, 954556, 1193195, 1431834, 2147751, 2386390, 2863668, 3579585, 4295502, 4772780, 6443253, 7159170, 8591004, 10738755, 12886506, 14318340, 21477510, 25773012, 32216265, 42955020, 64432530, 128865060]

約数ペア:

[(1, 128865060), (2, 64432530), (3, 42955020), (4, 32216265), (5, 25773012), (6, 21477510), (9, 14318340), (10, 12886506), (12, 10738755), (15, 8591004), (18, 7159170), (20, 6443253), (27, 4772780), (30, 4295502), (36, 3579585), (45, 2863668), (54, 2386390), (60, 2147751), (90, 1431834), (108, 1193195), (135, 954556), (180, 715917), (270, 477278), (540, 238639)]