128515734

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{971}}^1$

素因数の和:1047

約数の個数: 80

約数和(自身を含む): 310495680

約数和(自身を除く): 181979946

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 43, 54, 57, 81, 86, 114, 129, 162, 171, 258, 342, 387, 513, 774, 817, 971, 1026, 1161, 1539, 1634, 1942, 2322, 2451, 2913, 3078, 3483, 4902, 5826, 6966, 7353, 8739, 14706, 17478, 18449, 22059, 26217, 36898, 41753, 44118, 52434, 55347, 66177, 78651, 83506, 110694, 125259, 132354, 157302, 166041, 250518, 332082, 375777, 498123, 751554, 793307, 996246, 1127331, 1494369, 1586614, 2254662, 2379921, 2988738, 3381993, 4759842, 6763986, 7139763, 14279526, 21419289, 42838578, 64257867, 128515734]

約数ペア:

[(1, 128515734), (2, 64257867), (3, 42838578), (6, 21419289), (9, 14279526), (18, 7139763), (19, 6763986), (27, 4759842), (38, 3381993), (43, 2988738), (54, 2379921), (57, 2254662), (81, 1586614), (86, 1494369), (114, 1127331), (129, 996246), (162, 793307), (171, 751554), (258, 498123), (342, 375777), (387, 332082), (513, 250518), (774, 166041), (817, 157302), (971, 132354), (1026, 125259), (1161, 110694), (1539, 83506), (1634, 78651), (1942, 66177), (2322, 55347), (2451, 52434), (2913, 44118), (3078, 41753), (3483, 36898), (4902, 26217), (5826, 22059), (6966, 18449), (7353, 17478), (8739, 14706)]