51854220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{26189}}^1$

素因数の和:26215

約数の個数: 72

約数和(自身を含む): 171596880

約数和(自身を除く): 119742660

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, 26189, 52378, 78567, 104756, 130945, 157134, 235701, 261890, 288079, 314268, 392835, 471402, 523780, 576158, 785670, 864237, 942804, 1152316, 1178505, 1440395, 1571340, 1728474, 2357010, 2592711, 2880790, 3456948, 4321185, 4714020, 5185422, 5761580, 8642370, 10370844, 12963555, 17284740, 25927110, 51854220]

約数ペア:

[(1, 51854220), (2, 25927110), (3, 17284740), (4, 12963555), (5, 10370844), (6, 8642370), (9, 5761580), (10, 5185422), (11, 4714020), (12, 4321185), (15, 3456948), (18, 2880790), (20, 2592711), (22, 2357010), (30, 1728474), (33, 1571340), (36, 1440395), (44, 1178505), (45, 1152316), (55, 942804), (60, 864237), (66, 785670), (90, 576158), (99, 523780), (110, 471402), (132, 392835), (165, 314268), (180, 288079), (198, 261890), (220, 235701), (330, 157134), (396, 130945), (495, 104756), (660, 78567), (990, 52378), (1980, 26189)]