87471760

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:520

約数の個数: 80

約数和(自身を含む): 214379136

約数和(自身を除く): 126907376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 137, 184, 230, 274, 347, 368, 460, 548, 685, 694, 920, 1096, 1370, 1388, 1735, 1840, 2192, 2740, 2776, 3151, 3470, 5480, 5552, 6302, 6940, 7981, 10960, 12604, 13880, 15755, 15962, 25208, 27760, 31510, 31924, 39905, 47539, 50416, 63020, 63848, 79810, 95078, 126040, 127696, 159620, 190156, 237695, 252080, 319240, 380312, 475390, 638480, 760624, 950780, 1093397, 1901560, 2186794, 3803120, 4373588, 5466985, 8747176, 10933970, 17494352, 21867940, 43735880, 87471760]

約数ペア:

[(1, 87471760), (2, 43735880), (4, 21867940), (5, 17494352), (8, 10933970), (10, 8747176), (16, 5466985), (20, 4373588), (23, 3803120), (40, 2186794), (46, 1901560), (80, 1093397), (92, 950780), (115, 760624), (137, 638480), (184, 475390), (230, 380312), (274, 319240), (347, 252080), (368, 237695), (460, 190156), (548, 159620), (685, 127696), (694, 126040), (920, 95078), (1096, 79810), (1370, 63848), (1388, 63020), (1735, 50416), (1840, 47539), (2192, 39905), (2740, 31924), (2776, 31510), (3151, 27760), (3470, 25208), (5480, 15962), (5552, 15755), (6302, 13880), (6940, 12604), (7981, 10960)]