16728680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 40519440

約数和(自身を除く): 23790760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 73, 85, 136, 146, 170, 292, 337, 340, 365, 584, 674, 680, 730, 1241, 1348, 1460, 1685, 2482, 2696, 2920, 3370, 4964, 5729, 6205, 6740, 9928, 11458, 12410, 13480, 22916, 24601, 24820, 28645, 45832, 49202, 49640, 57290, 98404, 114580, 123005, 196808, 229160, 246010, 418217, 492020, 836434, 984040, 1672868, 2091085, 3345736, 4182170, 8364340, 16728680]

約数ペア:

[(1, 16728680), (2, 8364340), (4, 4182170), (5, 3345736), (8, 2091085), (10, 1672868), (17, 984040), (20, 836434), (34, 492020), (40, 418217), (68, 246010), (73, 229160), (85, 196808), (136, 123005), (146, 114580), (170, 98404), (292, 57290), (337, 49640), (340, 49202), (365, 45832), (584, 28645), (674, 24820), (680, 24601), (730, 22916), (1241, 13480), (1348, 12410), (1460, 11458), (1685, 9928), (2482, 6740), (2696, 6205), (2920, 5729), (3370, 4964)]