128157408

素因数分解:

$2^5\times 3^2\times {\mathrm{479}}^1\times {\mathrm{929}}^1$

素因数の和:1424

約数の個数: 72

約数和(自身を含む): 365601600

約数和(自身を除く): 237444192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 479, 929, 958, 1437, 1858, 1916, 2787, 2874, 3716, 3832, 4311, 5574, 5748, 7432, 7664, 8361, 8622, 11148, 11496, 14864, 15328, 16722, 17244, 22296, 22992, 29728, 33444, 34488, 44592, 45984, 66888, 68976, 89184, 133776, 137952, 267552, 444991, 889982, 1334973, 1779964, 2669946, 3559928, 4004919, 5339892, 7119856, 8009838, 10679784, 14239712, 16019676, 21359568, 32039352, 42719136, 64078704, 128157408]

約数ペア:

[(1, 128157408), (2, 64078704), (3, 42719136), (4, 32039352), (6, 21359568), (8, 16019676), (9, 14239712), (12, 10679784), (16, 8009838), (18, 7119856), (24, 5339892), (32, 4004919), (36, 3559928), (48, 2669946), (72, 1779964), (96, 1334973), (144, 889982), (288, 444991), (479, 267552), (929, 137952), (958, 133776), (1437, 89184), (1858, 68976), (1916, 66888), (2787, 45984), (2874, 44592), (3716, 34488), (3832, 33444), (4311, 29728), (5574, 22992), (5748, 22296), (7432, 17244), (7664, 16722), (8361, 15328), (8622, 14864), (11148, 11496)]