2647020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 7485408

約数和(自身を除く): 4838388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 281, 314, 471, 562, 628, 785, 843, 942, 1124, 1405, 1570, 1686, 1884, 2355, 2810, 3140, 3372, 4215, 4710, 5620, 8430, 9420, 16860, 44117, 88234, 132351, 176468, 220585, 264702, 441170, 529404, 661755, 882340, 1323510, 2647020]

約数ペア:

[(1, 2647020), (2, 1323510), (3, 882340), (4, 661755), (5, 529404), (6, 441170), (10, 264702), (12, 220585), (15, 176468), (20, 132351), (30, 88234), (60, 44117), (157, 16860), (281, 9420), (314, 8430), (471, 5620), (562, 4710), (628, 4215), (785, 3372), (843, 3140), (942, 2810), (1124, 2355), (1405, 1884), (1570, 1686)]