77599760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{138571}}^1$

素因数の和:138591

約数の個数: 40

約数和(自身を含む): 206195136

約数和(自身を除く): 128595376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 138571, 277142, 554284, 692855, 969997, 1108568, 1385710, 1939994, 2217136, 2771420, 3879988, 4849985, 5542840, 7759976, 9699970, 11085680, 15519952, 19399940, 38799880, 77599760]

約数ペア:

[(1, 77599760), (2, 38799880), (4, 19399940), (5, 15519952), (7, 11085680), (8, 9699970), (10, 7759976), (14, 5542840), (16, 4849985), (20, 3879988), (28, 2771420), (35, 2217136), (40, 1939994), (56, 1385710), (70, 1108568), (80, 969997), (112, 692855), (140, 554284), (280, 277142), (560, 138571)]