30801320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70003}}^1$

素因数の和:70025

約数の個数: 32

約数和(自身を含む): 75604320

約数和(自身を除く): 44803000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 70003, 140006, 280012, 350015, 560024, 700030, 770033, 1400060, 1540066, 2800120, 3080132, 3850165, 6160264, 7700330, 15400660, 30801320]

約数ペア:

[(1, 30801320), (2, 15400660), (4, 7700330), (5, 6160264), (8, 3850165), (10, 3080132), (11, 2800120), (20, 1540066), (22, 1400060), (40, 770033), (44, 700030), (55, 560024), (88, 350015), (110, 280012), (220, 140006), (440, 70003)]