28743720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239531}}^1$

素因数の和:239545

約数の個数: 32

約数和(自身を含む): 86231520

約数和(自身を除く): 57487800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239531, 479062, 718593, 958124, 1197655, 1437186, 1916248, 2395310, 2874372, 3592965, 4790620, 5748744, 7185930, 9581240, 14371860, 28743720]

約数ペア:

[(1, 28743720), (2, 14371860), (3, 9581240), (4, 7185930), (5, 5748744), (6, 4790620), (8, 3592965), (10, 2874372), (12, 2395310), (15, 1916248), (20, 1437186), (24, 1197655), (30, 958124), (40, 718593), (60, 479062), (120, 239531)]