215489120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17491}}^1$

素因数の和:17524

約数の個数: 96

約数和(自身を含む): 634749696

約数和(自身を除く): 419260576

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, 770, 880, 1120, 1232, 1540, 1760, 2464, 3080, 6160, 12320, 17491, 34982, 69964, 87455, 122437, 139928, 174910, 192401, 244874, 279856, 349820, 384802, 489748, 559712, 612185, 699640, 769604, 962005, 979496, 1224370, 1346807, 1399280, 1539208, 1924010, 1958992, 2448740, 2693614, 2798560, 3078416, 3848020, 3917984, 4897480, 5387228, 6156832, 6734035, 7696040, 9794960, 10774456, 13468070, 15392080, 19589920, 21548912, 26936140, 30784160, 43097824, 53872280, 107744560, 215489120]

約数ペア:

[(1, 215489120), (2, 107744560), (4, 53872280), (5, 43097824), (7, 30784160), (8, 26936140), (10, 21548912), (11, 19589920), (14, 15392080), (16, 13468070), (20, 10774456), (22, 9794960), (28, 7696040), (32, 6734035), (35, 6156832), (40, 5387228), (44, 4897480), (55, 3917984), (56, 3848020), (70, 3078416), (77, 2798560), (80, 2693614), (88, 2448740), (110, 1958992), (112, 1924010), (140, 1539208), (154, 1399280), (160, 1346807), (176, 1224370), (220, 979496), (224, 962005), (280, 769604), (308, 699640), (352, 612185), (385, 559712), (440, 489748), (560, 384802), (616, 349820), (770, 279856), (880, 244874), (1120, 192401), (1232, 174910), (1540, 139928), (1760, 122437), (2464, 87455), (3080, 69964), (6160, 34982), (12320, 17491)]