11431280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 30801600

約数和(自身を除く): 19370320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 137, 140, 149, 274, 280, 298, 548, 560, 596, 685, 745, 959, 1043, 1096, 1192, 1370, 1490, 1918, 2086, 2192, 2384, 2740, 2980, 3836, 4172, 4795, 5215, 5480, 5960, 7672, 8344, 9590, 10430, 10960, 11920, 15344, 16688, 19180, 20413, 20860, 38360, 40826, 41720, 76720, 81652, 83440, 102065, 142891, 163304, 204130, 285782, 326608, 408260, 571564, 714455, 816520, 1143128, 1428910, 1633040, 2286256, 2857820, 5715640, 11431280]

約数ペア:

[(1, 11431280), (2, 5715640), (4, 2857820), (5, 2286256), (7, 1633040), (8, 1428910), (10, 1143128), (14, 816520), (16, 714455), (20, 571564), (28, 408260), (35, 326608), (40, 285782), (56, 204130), (70, 163304), (80, 142891), (112, 102065), (137, 83440), (140, 81652), (149, 76720), (274, 41720), (280, 40826), (298, 38360), (548, 20860), (560, 20413), (596, 19180), (685, 16688), (745, 15344), (959, 11920), (1043, 10960), (1096, 10430), (1192, 9590), (1370, 8344), (1490, 7672), (1918, 5960), (2086, 5480), (2192, 5215), (2384, 4795), (2740, 4172), (2980, 3836)]