257788530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{42751}}^1$

素因数の和:42831

約数の個数: 48

約数和(自身を含む): 680269824

約数和(自身を除く): 422481294

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 67, 90, 134, 201, 335, 402, 603, 670, 1005, 1206, 2010, 3015, 6030, 42751, 85502, 128253, 213755, 256506, 384759, 427510, 641265, 769518, 1282530, 1923795, 2864317, 3847590, 5728634, 8592951, 14321585, 17185902, 25778853, 28643170, 42964755, 51557706, 85929510, 128894265, 257788530]

約数ペア:

[(1, 257788530), (2, 128894265), (3, 85929510), (5, 51557706), (6, 42964755), (9, 28643170), (10, 25778853), (15, 17185902), (18, 14321585), (30, 8592951), (45, 5728634), (67, 3847590), (90, 2864317), (134, 1923795), (201, 1282530), (335, 769518), (402, 641265), (603, 427510), (670, 384759), (1005, 256506), (1206, 213755), (2010, 128253), (3015, 85502), (6030, 42751)]