30764080

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1609}}^1$

素因数の和:1861

約数の個数: 40

約数和(自身を含む): 71870400

約数和(自身を除く): 41106320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1609, 1912, 2390, 3218, 3824, 4780, 6436, 8045, 9560, 12872, 16090, 19120, 25744, 32180, 64360, 128720, 384551, 769102, 1538204, 1922755, 3076408, 3845510, 6152816, 7691020, 15382040, 30764080]

約数ペア:

[(1, 30764080), (2, 15382040), (4, 7691020), (5, 6152816), (8, 3845510), (10, 3076408), (16, 1922755), (20, 1538204), (40, 769102), (80, 384551), (239, 128720), (478, 64360), (956, 32180), (1195, 25744), (1609, 19120), (1912, 16090), (2390, 12872), (3218, 9560), (3824, 8045), (4780, 6436)]