87987760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3343}}^1$

素因数の和:3410

約数の個数: 80

約数和(自身を含む): 238841856

約数和(自身を除く): 150854096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2632, 3290, 3343, 3760, 5264, 6580, 6686, 13160, 13372, 16715, 23401, 26320, 26744, 33430, 46802, 53488, 66860, 93604, 117005, 133720, 157121, 187208, 234010, 267440, 314242, 374416, 468020, 628484, 785605, 936040, 1099847, 1256968, 1571210, 1872080, 2199694, 2513936, 3142420, 4399388, 5499235, 6284840, 8798776, 10998470, 12569680, 17597552, 21996940, 43993880, 87987760]

約数ペア:

[(1, 87987760), (2, 43993880), (4, 21996940), (5, 17597552), (7, 12569680), (8, 10998470), (10, 8798776), (14, 6284840), (16, 5499235), (20, 4399388), (28, 3142420), (35, 2513936), (40, 2199694), (47, 1872080), (56, 1571210), (70, 1256968), (80, 1099847), (94, 936040), (112, 785605), (140, 628484), (188, 468020), (235, 374416), (280, 314242), (329, 267440), (376, 234010), (470, 187208), (560, 157121), (658, 133720), (752, 117005), (940, 93604), (1316, 66860), (1645, 53488), (1880, 46802), (2632, 33430), (3290, 26744), (3343, 26320), (3760, 23401), (5264, 16715), (6580, 13372), (6686, 13160)]