78656144

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:520

約数の個数: 80

約数和(自身を含む): 186595200

約数和(自身を除く): 107939056

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 109, 112, 119, 136, 218, 238, 272, 379, 436, 476, 758, 763, 872, 952, 1516, 1526, 1744, 1853, 1904, 2653, 3032, 3052, 3706, 5306, 6064, 6104, 6443, 7412, 10612, 12208, 12886, 12971, 14824, 21224, 25772, 25942, 29648, 41311, 42448, 45101, 51544, 51884, 82622, 90202, 103088, 103768, 165244, 180404, 207536, 289177, 330488, 360808, 578354, 660976, 702287, 721616, 1156708, 1404574, 2313416, 2809148, 4626832, 4916009, 5618296, 9832018, 11236592, 19664036, 39328072, 78656144]

約数ペア:

[(1, 78656144), (2, 39328072), (4, 19664036), (7, 11236592), (8, 9832018), (14, 5618296), (16, 4916009), (17, 4626832), (28, 2809148), (34, 2313416), (56, 1404574), (68, 1156708), (109, 721616), (112, 702287), (119, 660976), (136, 578354), (218, 360808), (238, 330488), (272, 289177), (379, 207536), (436, 180404), (476, 165244), (758, 103768), (763, 103088), (872, 90202), (952, 82622), (1516, 51884), (1526, 51544), (1744, 45101), (1853, 42448), (1904, 41311), (2653, 29648), (3032, 25942), (3052, 25772), (3706, 21224), (5306, 14824), (6064, 12971), (6104, 12886), (6443, 12208), (7412, 10612)]