12757480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 30929040

約数和(自身を除く): 18171560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 73, 85, 136, 146, 170, 257, 292, 340, 365, 514, 584, 680, 730, 1028, 1241, 1285, 1460, 2056, 2482, 2570, 2920, 4369, 4964, 5140, 6205, 8738, 9928, 10280, 12410, 17476, 18761, 21845, 24820, 34952, 37522, 43690, 49640, 75044, 87380, 93805, 150088, 174760, 187610, 318937, 375220, 637874, 750440, 1275748, 1594685, 2551496, 3189370, 6378740, 12757480]

約数ペア:

[(1, 12757480), (2, 6378740), (4, 3189370), (5, 2551496), (8, 1594685), (10, 1275748), (17, 750440), (20, 637874), (34, 375220), (40, 318937), (68, 187610), (73, 174760), (85, 150088), (136, 93805), (146, 87380), (170, 75044), (257, 49640), (292, 43690), (340, 37522), (365, 34952), (514, 24820), (584, 21845), (680, 18761), (730, 17476), (1028, 12410), (1241, 10280), (1285, 9928), (1460, 8738), (2056, 6205), (2482, 5140), (2570, 4964), (2920, 4369)]