30513720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{254281}}^1$

素因数の和:254295

約数の個数: 32

約数和(自身を含む): 91541520

約数和(自身を除く): 61027800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 254281, 508562, 762843, 1017124, 1271405, 1525686, 2034248, 2542810, 3051372, 3814215, 5085620, 6102744, 7628430, 10171240, 15256860, 30513720]

約数ペア:

[(1, 30513720), (2, 15256860), (3, 10171240), (4, 7628430), (5, 6102744), (6, 5085620), (8, 3814215), (10, 3051372), (12, 2542810), (15, 2034248), (20, 1525686), (24, 1271405), (30, 1017124), (40, 762843), (60, 508562), (120, 254281)]