71321328

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1287

約数の個数: 120

約数和(自身を含む): 222069120

約数和(自身を除く): 150747792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 36, 39, 48, 52, 62, 72, 78, 93, 104, 117, 124, 144, 156, 186, 208, 234, 248, 279, 312, 372, 403, 468, 496, 558, 624, 744, 806, 936, 1116, 1209, 1229, 1488, 1612, 1872, 2232, 2418, 2458, 3224, 3627, 3687, 4464, 4836, 4916, 6448, 7254, 7374, 9672, 9832, 11061, 14508, 14748, 15977, 19344, 19664, 22122, 29016, 29496, 31954, 38099, 44244, 47931, 58032, 58992, 63908, 76198, 88488, 95862, 114297, 127816, 143793, 152396, 176976, 191724, 228594, 255632, 287586, 304792, 342891, 383448, 457188, 495287, 575172, 609584, 685782, 766896, 914376, 990574, 1150344, 1371564, 1485861, 1828752, 1981148, 2300688, 2743128, 2971722, 3962296, 4457583, 5486256, 5943444, 7924592, 8915166, 11886888, 17830332, 23773776, 35660664, 71321328]

約数ペア:

[(1, 71321328), (2, 35660664), (3, 23773776), (4, 17830332), (6, 11886888), (8, 8915166), (9, 7924592), (12, 5943444), (13, 5486256), (16, 4457583), (18, 3962296), (24, 2971722), (26, 2743128), (31, 2300688), (36, 1981148), (39, 1828752), (48, 1485861), (52, 1371564), (62, 1150344), (72, 990574), (78, 914376), (93, 766896), (104, 685782), (117, 609584), (124, 575172), (144, 495287), (156, 457188), (186, 383448), (208, 342891), (234, 304792), (248, 287586), (279, 255632), (312, 228594), (372, 191724), (403, 176976), (468, 152396), (496, 143793), (558, 127816), (624, 114297), (744, 95862), (806, 88488), (936, 76198), (1116, 63908), (1209, 58992), (1229, 58032), (1488, 47931), (1612, 44244), (1872, 38099), (2232, 31954), (2418, 29496), (2458, 29016), (3224, 22122), (3627, 19664), (3687, 19344), (4464, 15977), (4836, 14748), (4916, 14508), (6448, 11061), (7254, 9832), (7374, 9672)]