247339620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{124919}}^1$

素因数の和:124945

約数の個数: 72

約数和(自身を含む): 818475840

約数和(自身を除く): 571136220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 124919, 249838, 374757, 499676, 624595, 749514, 1124271, 1249190, 1374109, 1499028, 1873785, 2248542, 2498380, 2748218, 3747570, 4122327, 4497084, 5496436, 5621355, 6870545, 7495140, 8244654, 11242710, 12366981, 13741090, 16489308, 20611635, 22485420, 24733962, 27482180, 41223270, 49467924, 61834905, 82446540, 123669810, 247339620]

約数ペア:

[(1, 247339620), (2, 123669810), (3, 82446540), (4, 61834905), (5, 49467924), (6, 41223270), (9, 27482180), (10, 24733962), (11, 22485420), (12, 20611635), (15, 16489308), (18, 13741090), (20, 12366981), (22, 11242710), (30, 8244654), (33, 7495140), (36, 6870545), (44, 5621355), (45, 5496436), (55, 4497084), (60, 4122327), (66, 3747570), (90, 2748218), (99, 2498380), (110, 2248542), (132, 1873785), (165, 1499028), (180, 1374109), (198, 1249190), (220, 1124271), (330, 749514), (396, 624595), (495, 499676), (660, 374757), (990, 249838), (1980, 124919)]