7897120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1$

素因数の和:674

約数の個数: 96

約数和(自身を含む): 23296896

約数和(自身を除く): 15399776

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 641, 770, 880, 1120, 1232, 1282, 1540, 1760, 2464, 2564, 3080, 3205, 4487, 5128, 6160, 6410, 7051, 8974, 10256, 12320, 12820, 14102, 17948, 20512, 22435, 25640, 28204, 35255, 35896, 44870, 49357, 51280, 56408, 70510, 71792, 89740, 98714, 102560, 112816, 141020, 143584, 179480, 197428, 225632, 246785, 282040, 358960, 394856, 493570, 564080, 717920, 789712, 987140, 1128160, 1579424, 1974280, 3948560, 7897120]

約数ペア:

[(1, 7897120), (2, 3948560), (4, 1974280), (5, 1579424), (7, 1128160), (8, 987140), (10, 789712), (11, 717920), (14, 564080), (16, 493570), (20, 394856), (22, 358960), (28, 282040), (32, 246785), (35, 225632), (40, 197428), (44, 179480), (55, 143584), (56, 141020), (70, 112816), (77, 102560), (80, 98714), (88, 89740), (110, 71792), (112, 70510), (140, 56408), (154, 51280), (160, 49357), (176, 44870), (220, 35896), (224, 35255), (280, 28204), (308, 25640), (352, 22435), (385, 20512), (440, 17948), (560, 14102), (616, 12820), (641, 12320), (770, 10256), (880, 8974), (1120, 7051), (1232, 6410), (1282, 6160), (1540, 5128), (1760, 4487), (2464, 3205), (2564, 3080)]