2208660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 6253632

約数和(自身を除く): 4044972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 281, 393, 524, 562, 655, 786, 843, 1124, 1310, 1405, 1572, 1686, 1965, 2620, 2810, 3372, 3930, 4215, 5620, 7860, 8430, 16860, 36811, 73622, 110433, 147244, 184055, 220866, 368110, 441732, 552165, 736220, 1104330, 2208660]

約数ペア:

[(1, 2208660), (2, 1104330), (3, 736220), (4, 552165), (5, 441732), (6, 368110), (10, 220866), (12, 184055), (15, 147244), (20, 110433), (30, 73622), (60, 36811), (131, 16860), (262, 8430), (281, 7860), (393, 5620), (524, 4215), (562, 3930), (655, 3372), (786, 2810), (843, 2620), (1124, 1965), (1310, 1686), (1405, 1572)]