81100260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{450557}}^1$

素因数の和:450572

約数の個数: 36

約数和(自身を含む): 246004668

約数和(自身を除く): 164904408

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 450557, 901114, 1351671, 1802228, 2252785, 2703342, 4055013, 4505570, 5406684, 6758355, 8110026, 9011140, 13516710, 16220052, 20275065, 27033420, 40550130, 81100260]

約数ペア:

[(1, 81100260), (2, 40550130), (3, 27033420), (4, 20275065), (5, 16220052), (6, 13516710), (9, 9011140), (10, 8110026), (12, 6758355), (15, 5406684), (18, 4505570), (20, 4055013), (30, 2703342), (36, 2252785), (45, 1802228), (60, 1351671), (90, 901114), (180, 450557)]