84637140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{201517}}^1$

素因数の和:201536

約数の個数: 48

約数和(自身を含む): 270840192

約数和(自身を除く): 186203052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 201517, 403034, 604551, 806068, 1007585, 1209102, 1410619, 2015170, 2418204, 2821238, 3022755, 4030340, 4231857, 5642476, 6045510, 7053095, 8463714, 12091020, 14106190, 16927428, 21159285, 28212380, 42318570, 84637140]

約数ペア:

[(1, 84637140), (2, 42318570), (3, 28212380), (4, 21159285), (5, 16927428), (6, 14106190), (7, 12091020), (10, 8463714), (12, 7053095), (14, 6045510), (15, 5642476), (20, 4231857), (21, 4030340), (28, 3022755), (30, 2821238), (35, 2418204), (42, 2015170), (60, 1410619), (70, 1209102), (84, 1007585), (105, 806068), (140, 604551), (210, 403034), (420, 201517)]