7612720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2213}}^1$

素因数の和:2269

約数の個数: 40

約数和(自身を含む): 18119376

約数和(自身を除く): 10506656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2213, 3440, 4426, 8852, 11065, 17704, 22130, 35408, 44260, 88520, 95159, 177040, 190318, 380636, 475795, 761272, 951590, 1522544, 1903180, 3806360, 7612720]

約数ペア:

[(1, 7612720), (2, 3806360), (4, 1903180), (5, 1522544), (8, 951590), (10, 761272), (16, 475795), (20, 380636), (40, 190318), (43, 177040), (80, 95159), (86, 88520), (172, 44260), (215, 35408), (344, 22130), (430, 17704), (688, 11065), (860, 8852), (1720, 4426), (2213, 3440)]