66508740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19447}}^1$

素因数の和:19481

約数の個数: 72

約数和(自身を含む): 212372160

約数和(自身を除く): 145863420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 19447, 38894, 58341, 77788, 97235, 116682, 175023, 194470, 233364, 291705, 350046, 369493, 388940, 583410, 700092, 738986, 875115, 1108479, 1166820, 1477972, 1750230, 1847465, 2216958, 3325437, 3500460, 3694930, 4433916, 5542395, 6650874, 7389860, 11084790, 13301748, 16627185, 22169580, 33254370, 66508740]

約数ペア:

[(1, 66508740), (2, 33254370), (3, 22169580), (4, 16627185), (5, 13301748), (6, 11084790), (9, 7389860), (10, 6650874), (12, 5542395), (15, 4433916), (18, 3694930), (19, 3500460), (20, 3325437), (30, 2216958), (36, 1847465), (38, 1750230), (45, 1477972), (57, 1166820), (60, 1108479), (76, 875115), (90, 738986), (95, 700092), (114, 583410), (171, 388940), (180, 369493), (190, 350046), (228, 291705), (285, 233364), (342, 194470), (380, 175023), (570, 116682), (684, 97235), (855, 77788), (1140, 58341), (1710, 38894), (3420, 19447)]