66428250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{12653}}^1$

素因数の和:12680

約数の個数: 64

約数和(自身を含む): 189506304

約数和(自身を除く): 123078054

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 125, 150, 175, 210, 250, 350, 375, 525, 750, 875, 1050, 1750, 2625, 5250, 12653, 25306, 37959, 63265, 75918, 88571, 126530, 177142, 189795, 265713, 316325, 379590, 442855, 531426, 632650, 885710, 948975, 1328565, 1581625, 1897950, 2214275, 2657130, 3163250, 4428550, 4744875, 6642825, 9489750, 11071375, 13285650, 22142750, 33214125, 66428250]

約数ペア:

[(1, 66428250), (2, 33214125), (3, 22142750), (5, 13285650), (6, 11071375), (7, 9489750), (10, 6642825), (14, 4744875), (15, 4428550), (21, 3163250), (25, 2657130), (30, 2214275), (35, 1897950), (42, 1581625), (50, 1328565), (70, 948975), (75, 885710), (105, 632650), (125, 531426), (150, 442855), (175, 379590), (210, 316325), (250, 265713), (350, 189795), (375, 177142), (525, 126530), (750, 88571), (875, 75918), (1050, 63265), (1750, 37959), (2625, 25306), (5250, 12653)]