77831320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1193}}^1$

素因数の和:1444

約数の個数: 64

約数和(自身を含む): 201165120

約数和(自身を除く): 123333800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 233, 280, 466, 932, 1165, 1193, 1631, 1864, 2330, 2386, 3262, 4660, 4772, 5965, 6524, 8155, 8351, 9320, 9544, 11930, 13048, 16310, 16702, 23860, 32620, 33404, 41755, 47720, 65240, 66808, 83510, 167020, 277969, 334040, 555938, 1111876, 1389845, 1945783, 2223752, 2779690, 3891566, 5559380, 7783132, 9728915, 11118760, 15566264, 19457830, 38915660, 77831320]

約数ペア:

[(1, 77831320), (2, 38915660), (4, 19457830), (5, 15566264), (7, 11118760), (8, 9728915), (10, 7783132), (14, 5559380), (20, 3891566), (28, 2779690), (35, 2223752), (40, 1945783), (56, 1389845), (70, 1111876), (140, 555938), (233, 334040), (280, 277969), (466, 167020), (932, 83510), (1165, 66808), (1193, 65240), (1631, 47720), (1864, 41755), (2330, 33404), (2386, 32620), (3262, 23860), (4660, 16702), (4772, 16310), (5965, 13048), (6524, 11930), (8155, 9544), (8351, 9320)]