30185720

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2411}}^1$

素因数の和:2735

約数の個数: 32

約数和(自身を含む): 68163120

約数和(自身を除く): 37977400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2411, 2504, 3130, 4822, 6260, 9644, 12055, 12520, 19288, 24110, 48220, 96440, 754643, 1509286, 3018572, 3773215, 6037144, 7546430, 15092860, 30185720]

約数ペア:

[(1, 30185720), (2, 15092860), (4, 7546430), (5, 6037144), (8, 3773215), (10, 3018572), (20, 1509286), (40, 754643), (313, 96440), (626, 48220), (1252, 24110), (1565, 19288), (2411, 12520), (2504, 12055), (3130, 9644), (4822, 6260)]