30120805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 42981120

約数和(自身を除く): 12860315

約数列:

[1, 5, 11, 13, 55, 65, 103, 143, 409, 515, 715, 1133, 1339, 2045, 4499, 5317, 5665, 6695, 14729, 22495, 26585, 42127, 58487, 73645, 210635, 292435, 463397, 547651, 2316985, 2738255, 6024161, 30120805]

約数ペア:

[(1, 30120805), (5, 6024161), (11, 2738255), (13, 2316985), (55, 547651), (65, 463397), (103, 292435), (143, 210635), (409, 73645), (515, 58487), (715, 42127), (1133, 26585), (1339, 22495), (2045, 14729), (4499, 6695), (5317, 5665)]