68243865

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 121927680

約数和(自身を除く): 53683815

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 89, 93, 97, 155, 255, 267, 291, 445, 465, 485, 527, 1335, 1455, 1513, 1581, 1649, 2635, 2759, 3007, 4539, 4947, 7565, 7905, 8245, 8277, 8633, 9021, 13795, 15035, 22695, 24735, 25899, 41385, 43165, 45105, 46903, 51119, 129495, 140709, 146761, 153357, 234515, 255595, 267623, 440283, 703545, 733805, 766785, 802869, 1338115, 2201415, 4014345, 4549591, 13648773, 22747955, 68243865]

約数ペア:

[(1, 68243865), (3, 22747955), (5, 13648773), (15, 4549591), (17, 4014345), (31, 2201415), (51, 1338115), (85, 802869), (89, 766785), (93, 733805), (97, 703545), (155, 440283), (255, 267623), (267, 255595), (291, 234515), (445, 153357), (465, 146761), (485, 140709), (527, 129495), (1335, 51119), (1455, 46903), (1513, 45105), (1581, 43165), (1649, 41385), (2635, 25899), (2759, 24735), (3007, 22695), (4539, 15035), (4947, 13795), (7565, 9021), (7905, 8633), (8245, 8277)]