18289702960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{123379}}^1$

素因数の和:123518

約数の個数: 80

約数和(自身を含む): 45438386400

約数和(自身を除く): 27148683440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 109, 136, 170, 218, 272, 340, 436, 545, 680, 872, 1090, 1360, 1744, 1853, 2180, 3706, 4360, 7412, 8720, 9265, 14824, 18530, 29648, 37060, 74120, 123379, 148240, 246758, 493516, 616895, 987032, 1233790, 1974064, 2097443, 2467580, 4194886, 4935160, 8389772, 9870320, 10487215, 13448311, 16779544, 20974430, 26896622, 33559088, 41948860, 53793244, 67241555, 83897720, 107586488, 134483110, 167795440, 215172976, 228621287, 268966220, 457242574, 537932440, 914485148, 1075864880, 1143106435, 1828970296, 2286212870, 3657940592, 4572425740, 9144851480, 18289702960]

約数ペア:

[(1, 18289702960), (2, 9144851480), (4, 4572425740), (5, 3657940592), (8, 2286212870), (10, 1828970296), (16, 1143106435), (17, 1075864880), (20, 914485148), (34, 537932440), (40, 457242574), (68, 268966220), (80, 228621287), (85, 215172976), (109, 167795440), (136, 134483110), (170, 107586488), (218, 83897720), (272, 67241555), (340, 53793244), (436, 41948860), (545, 33559088), (680, 26896622), (872, 20974430), (1090, 16779544), (1360, 13448311), (1744, 10487215), (1853, 9870320), (2180, 8389772), (3706, 4935160), (4360, 4194886), (7412, 2467580), (8720, 2097443), (9265, 1974064), (14824, 1233790), (18530, 987032), (29648, 616895), (37060, 493516), (74120, 246758), (123379, 148240)]