30919620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1657}}^1$

素因数の和:1980

約数の個数: 48

約数和(自身を含む): 86905728

約数和(自身を除く): 55986108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 311, 622, 933, 1244, 1555, 1657, 1866, 3110, 3314, 3732, 4665, 4971, 6220, 6628, 8285, 9330, 9942, 16570, 18660, 19884, 24855, 33140, 49710, 99420, 515327, 1030654, 1545981, 2061308, 2576635, 3091962, 5153270, 6183924, 7729905, 10306540, 15459810, 30919620]

約数ペア:

[(1, 30919620), (2, 15459810), (3, 10306540), (4, 7729905), (5, 6183924), (6, 5153270), (10, 3091962), (12, 2576635), (15, 2061308), (20, 1545981), (30, 1030654), (60, 515327), (311, 99420), (622, 49710), (933, 33140), (1244, 24855), (1555, 19884), (1657, 18660), (1866, 16570), (3110, 9942), (3314, 9330), (3732, 8285), (4665, 6628), (4971, 6220)]