81274140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{451523}}^1$

素因数の和:451538

約数の個数: 36

約数和(自身を含む): 246532104

約数和(自身を除く): 165257964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 451523, 903046, 1354569, 1806092, 2257615, 2709138, 4063707, 4515230, 5418276, 6772845, 8127414, 9030460, 13545690, 16254828, 20318535, 27091380, 40637070, 81274140]

約数ペア:

[(1, 81274140), (2, 40637070), (3, 27091380), (4, 20318535), (5, 16254828), (6, 13545690), (9, 9030460), (10, 8127414), (12, 6772845), (15, 5418276), (18, 4515230), (20, 4063707), (30, 2709138), (36, 2257615), (45, 1806092), (60, 1354569), (90, 903046), (180, 451523)]