42955020

素因数分解:

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

素因数の和:238654

約数の個数: 36

約数和(自身を含む): 130297440

約数和(自身を除く): 87342420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 238639, 477278, 715917, 954556, 1193195, 1431834, 2147751, 2386390, 2863668, 3579585, 4295502, 4772780, 7159170, 8591004, 10738755, 14318340, 21477510, 42955020]

約数ペア:

[(1, 42955020), (2, 21477510), (3, 14318340), (4, 10738755), (5, 8591004), (6, 7159170), (9, 4772780), (10, 4295502), (12, 3579585), (15, 2863668), (18, 2386390), (20, 2147751), (30, 1431834), (36, 1193195), (45, 954556), (60, 715917), (90, 477278), (180, 238639)]