1820367080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{6501311}}^1$

素因数の和:6501329

約数の個数: 32

約数和(自身を含む): 4680944640

約数和(自身を除く): 2860577560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 6501311, 13002622, 26005244, 32506555, 45509177, 52010488, 65013110, 91018354, 130026220, 182036708, 227545885, 260052440, 364073416, 455091770, 910183540, 1820367080]

約数ペア:

[(1, 1820367080), (2, 910183540), (4, 455091770), (5, 364073416), (7, 260052440), (8, 227545885), (10, 182036708), (14, 130026220), (20, 91018354), (28, 65013110), (35, 52010488), (40, 45509177), (56, 32506555), (70, 26005244), (140, 13002622), (280, 6501311)]