16686880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:386

約数の個数: 96

約数和(自身を含む): 46158336

約数和(自身を除く): 29471456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 70, 80, 94, 112, 140, 160, 188, 224, 235, 280, 317, 329, 376, 470, 560, 634, 658, 752, 940, 1120, 1268, 1316, 1504, 1585, 1645, 1880, 2219, 2536, 2632, 3170, 3290, 3760, 4438, 5072, 5264, 6340, 6580, 7520, 8876, 10144, 10528, 11095, 12680, 13160, 14899, 17752, 22190, 25360, 26320, 29798, 35504, 44380, 50720, 52640, 59596, 71008, 74495, 88760, 104293, 119192, 148990, 177520, 208586, 238384, 297980, 355040, 417172, 476768, 521465, 595960, 834344, 1042930, 1191920, 1668688, 2085860, 2383840, 3337376, 4171720, 8343440, 16686880]

約数ペア:

[(1, 16686880), (2, 8343440), (4, 4171720), (5, 3337376), (7, 2383840), (8, 2085860), (10, 1668688), (14, 1191920), (16, 1042930), (20, 834344), (28, 595960), (32, 521465), (35, 476768), (40, 417172), (47, 355040), (56, 297980), (70, 238384), (80, 208586), (94, 177520), (112, 148990), (140, 119192), (160, 104293), (188, 88760), (224, 74495), (235, 71008), (280, 59596), (317, 52640), (329, 50720), (376, 44380), (470, 35504), (560, 29798), (634, 26320), (658, 25360), (752, 22190), (940, 17752), (1120, 14899), (1268, 13160), (1316, 12680), (1504, 11095), (1585, 10528), (1645, 10144), (1880, 8876), (2219, 7520), (2536, 6580), (2632, 6340), (3170, 5264), (3290, 5072), (3760, 4438)]