51638220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{12473}}^1$

素因数の和:12511

約数の個数: 72

約数和(自身を含む): 163459296

約数和(自身を除く): 111821076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 12473, 24946, 37419, 49892, 62365, 74838, 112257, 124730, 149676, 187095, 224514, 249460, 286879, 374190, 449028, 561285, 573758, 748380, 860637, 1122570, 1147516, 1434395, 1721274, 2245140, 2581911, 2868790, 3442548, 4303185, 5163822, 5737580, 8606370, 10327644, 12909555, 17212740, 25819110, 51638220]

約数ペア:

[(1, 51638220), (2, 25819110), (3, 17212740), (4, 12909555), (5, 10327644), (6, 8606370), (9, 5737580), (10, 5163822), (12, 4303185), (15, 3442548), (18, 2868790), (20, 2581911), (23, 2245140), (30, 1721274), (36, 1434395), (45, 1147516), (46, 1122570), (60, 860637), (69, 748380), (90, 573758), (92, 561285), (115, 449028), (138, 374190), (180, 286879), (207, 249460), (230, 224514), (276, 187095), (345, 149676), (414, 124730), (460, 112257), (690, 74838), (828, 62365), (1035, 49892), (1380, 37419), (2070, 24946), (4140, 12473)]