42991380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{238841}}^1$

素因数の和:238856

約数の個数: 36

約数和(自身を含む): 130407732

約数和(自身を除く): 87416352

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 238841, 477682, 716523, 955364, 1194205, 1433046, 2149569, 2388410, 2866092, 3582615, 4299138, 4776820, 7165230, 8598276, 10747845, 14330460, 21495690, 42991380]

約数ペア:

[(1, 42991380), (2, 21495690), (3, 14330460), (4, 10747845), (5, 8598276), (6, 7165230), (9, 4776820), (10, 4299138), (12, 3582615), (15, 2866092), (18, 2388410), (20, 2149569), (30, 1433046), (36, 1194205), (45, 955364), (60, 716523), (90, 477682), (180, 238841)]