30942840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257857}}^1$

素因数の和:257871

約数の個数: 32

約数和(自身を含む): 92828880

約数和(自身を除く): 61886040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257857, 515714, 773571, 1031428, 1289285, 1547142, 2062856, 2578570, 3094284, 3867855, 5157140, 6188568, 7735710, 10314280, 15471420, 30942840]

約数ペア:

[(1, 30942840), (2, 15471420), (3, 10314280), (4, 7735710), (5, 6188568), (6, 5157140), (8, 3867855), (10, 3094284), (12, 2578570), (15, 2062856), (20, 1547142), (24, 1289285), (30, 1031428), (40, 773571), (60, 515714), (120, 257857)]