16511320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{541}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 42926400

約数和(自身を除く): 26415080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 541, 545, 763, 872, 1082, 1090, 1526, 2164, 2180, 2705, 3052, 3787, 3815, 4328, 4360, 5410, 6104, 7574, 7630, 10820, 15148, 15260, 18935, 21640, 30296, 30520, 37870, 58969, 75740, 117938, 151480, 235876, 294845, 412783, 471752, 589690, 825566, 1179380, 1651132, 2063915, 2358760, 3302264, 4127830, 8255660, 16511320]

約数ペア:

[(1, 16511320), (2, 8255660), (4, 4127830), (5, 3302264), (7, 2358760), (8, 2063915), (10, 1651132), (14, 1179380), (20, 825566), (28, 589690), (35, 471752), (40, 412783), (56, 294845), (70, 235876), (109, 151480), (140, 117938), (218, 75740), (280, 58969), (436, 37870), (541, 30520), (545, 30296), (763, 21640), (872, 18935), (1082, 15260), (1090, 15148), (1526, 10820), (2164, 7630), (2180, 7574), (2705, 6104), (3052, 5410), (3787, 4360), (3815, 4328)]