16290680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{797}}^1$

素因数の和:888

約数の個数: 64

約数和(自身を含む): 42517440

約数和(自身を除く): 26226760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 797, 1022, 1460, 1594, 2044, 2555, 2920, 3188, 3985, 4088, 5110, 5579, 6376, 7970, 10220, 11158, 15940, 20440, 22316, 27895, 31880, 44632, 55790, 58181, 111580, 116362, 223160, 232724, 290905, 407267, 465448, 581810, 814534, 1163620, 1629068, 2036335, 2327240, 3258136, 4072670, 8145340, 16290680]

約数ペア:

[(1, 16290680), (2, 8145340), (4, 4072670), (5, 3258136), (7, 2327240), (8, 2036335), (10, 1629068), (14, 1163620), (20, 814534), (28, 581810), (35, 465448), (40, 407267), (56, 290905), (70, 232724), (73, 223160), (140, 116362), (146, 111580), (280, 58181), (292, 55790), (365, 44632), (511, 31880), (584, 27895), (730, 22316), (797, 20440), (1022, 15940), (1460, 11158), (1594, 10220), (2044, 7970), (2555, 6376), (2920, 5579), (3188, 5110), (3985, 4088)]