127989880

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1\times {\mathrm{281}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 295423200

約数和(自身を除く): 167433320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 193, 236, 281, 295, 386, 472, 562, 590, 772, 965, 1124, 1180, 1405, 1544, 1930, 2248, 2360, 2810, 3860, 5620, 7720, 11240, 11387, 16579, 22774, 33158, 45548, 54233, 56935, 66316, 82895, 91096, 108466, 113870, 132632, 165790, 216932, 227740, 271165, 331580, 433864, 455480, 542330, 663160, 1084660, 2169320, 3199747, 6399494, 12798988, 15998735, 25597976, 31997470, 63994940, 127989880]

約数ペア:

[(1, 127989880), (2, 63994940), (4, 31997470), (5, 25597976), (8, 15998735), (10, 12798988), (20, 6399494), (40, 3199747), (59, 2169320), (118, 1084660), (193, 663160), (236, 542330), (281, 455480), (295, 433864), (386, 331580), (472, 271165), (562, 227740), (590, 216932), (772, 165790), (965, 132632), (1124, 113870), (1180, 108466), (1405, 91096), (1544, 82895), (1930, 66316), (2248, 56935), (2360, 54233), (2810, 45548), (3860, 33158), (5620, 22774), (7720, 16579), (11240, 11387)]