30815055

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1567}}^1$

素因数の和:1620

約数の個数: 48

約数和(自身を含む): 58705920

約数和(自身を除く): 27890865

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 69, 95, 115, 171, 207, 285, 345, 437, 855, 1035, 1311, 1567, 2185, 3933, 4701, 6555, 7835, 14103, 19665, 23505, 29773, 36041, 70515, 89319, 108123, 148865, 180205, 267957, 324369, 446595, 540615, 684779, 1339785, 1621845, 2054337, 3423895, 6163011, 10271685, 30815055]

約数ペア:

[(1, 30815055), (3, 10271685), (5, 6163011), (9, 3423895), (15, 2054337), (19, 1621845), (23, 1339785), (45, 684779), (57, 540615), (69, 446595), (95, 324369), (115, 267957), (171, 180205), (207, 148865), (285, 108123), (345, 89319), (437, 70515), (855, 36041), (1035, 29773), (1311, 23505), (1567, 19665), (2185, 14103), (3933, 7835), (4701, 6555)]