67277560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{997}}^1$

素因数の和:1256

約数の個数: 64

約数和(自身を含む): 173891520

約数和(自身を除く): 106613960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 241, 280, 482, 964, 997, 1205, 1687, 1928, 1994, 2410, 3374, 3988, 4820, 4985, 6748, 6979, 7976, 8435, 9640, 9970, 13496, 13958, 16870, 19940, 27916, 33740, 34895, 39880, 55832, 67480, 69790, 139580, 240277, 279160, 480554, 961108, 1201385, 1681939, 1922216, 2402770, 3363878, 4805540, 6727756, 8409695, 9611080, 13455512, 16819390, 33638780, 67277560]

約数ペア:

[(1, 67277560), (2, 33638780), (4, 16819390), (5, 13455512), (7, 9611080), (8, 8409695), (10, 6727756), (14, 4805540), (20, 3363878), (28, 2402770), (35, 1922216), (40, 1681939), (56, 1201385), (70, 961108), (140, 480554), (241, 279160), (280, 240277), (482, 139580), (964, 69790), (997, 67480), (1205, 55832), (1687, 39880), (1928, 34895), (1994, 33740), (2410, 27916), (3374, 19940), (3988, 16870), (4820, 13958), (4985, 13496), (6748, 9970), (6979, 9640), (7976, 8435)]