220914960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{131497}}^1$

素因数の和:131520

約数の個数: 80

約数和(自身を含む): 782676096

約数和(自身を除く): 561761136

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 131497, 262994, 394491, 525988, 657485, 788982, 920479, 1051976, 1314970, 1577964, 1840958, 1972455, 2103952, 2629940, 2761437, 3155928, 3681916, 3944910, 4602395, 5259880, 5522874, 6311856, 7363832, 7889820, 9204790, 10519760, 11045748, 13807185, 14727664, 15779640, 18409580, 22091496, 27614370, 31559280, 36819160, 44182992, 55228740, 73638320, 110457480, 220914960]

約数ペア:

[(1, 220914960), (2, 110457480), (3, 73638320), (4, 55228740), (5, 44182992), (6, 36819160), (7, 31559280), (8, 27614370), (10, 22091496), (12, 18409580), (14, 15779640), (15, 14727664), (16, 13807185), (20, 11045748), (21, 10519760), (24, 9204790), (28, 7889820), (30, 7363832), (35, 6311856), (40, 5522874), (42, 5259880), (48, 4602395), (56, 3944910), (60, 3681916), (70, 3155928), (80, 2761437), (84, 2629940), (105, 2103952), (112, 1972455), (120, 1840958), (140, 1577964), (168, 1314970), (210, 1051976), (240, 920479), (280, 788982), (336, 657485), (420, 525988), (560, 394491), (840, 262994), (1680, 131497)]