21792720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{90803}}^1$

素因数の和:90819

約数の個数: 40

約数和(自身を含む): 67558176

約数和(自身を除く): 45765456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 90803, 181606, 272409, 363212, 454015, 544818, 726424, 908030, 1089636, 1362045, 1452848, 1816060, 2179272, 2724090, 3632120, 4358544, 5448180, 7264240, 10896360, 21792720]

約数ペア:

[(1, 21792720), (2, 10896360), (3, 7264240), (4, 5448180), (5, 4358544), (6, 3632120), (8, 2724090), (10, 2179272), (12, 1816060), (15, 1452848), (16, 1362045), (20, 1089636), (24, 908030), (30, 726424), (40, 544818), (48, 454015), (60, 363212), (80, 272409), (120, 181606), (240, 90803)]