87111640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28283}}^1$

素因数の和:28312

約数の個数: 64

約数和(自身を含む): 244373760

約数和(自身を除く): 157262120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 28283, 56566, 113132, 141415, 197981, 226264, 282830, 311113, 395962, 565660, 622226, 791924, 989905, 1131320, 1244452, 1555565, 1583848, 1979810, 2177791, 2488904, 3111130, 3959620, 4355582, 6222260, 7919240, 8711164, 10888955, 12444520, 17422328, 21777910, 43555820, 87111640]

約数ペア:

[(1, 87111640), (2, 43555820), (4, 21777910), (5, 17422328), (7, 12444520), (8, 10888955), (10, 8711164), (11, 7919240), (14, 6222260), (20, 4355582), (22, 3959620), (28, 3111130), (35, 2488904), (40, 2177791), (44, 1979810), (55, 1583848), (56, 1555565), (70, 1244452), (77, 1131320), (88, 989905), (110, 791924), (140, 622226), (154, 565660), (220, 395962), (280, 311113), (308, 282830), (385, 226264), (440, 197981), (616, 141415), (770, 113132), (1540, 56566), (3080, 28283)]