157517240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{231643}}^1$

素因数の和:231671

約数の個数: 32

約数和(自身を含む): 375263280

約数和(自身を除く): 217746040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 231643, 463286, 926572, 1158215, 1853144, 2316430, 3937931, 4632860, 7875862, 9265720, 15751724, 19689655, 31503448, 39379310, 78758620, 157517240]

約数ペア:

[(1, 157517240), (2, 78758620), (4, 39379310), (5, 31503448), (8, 19689655), (10, 15751724), (17, 9265720), (20, 7875862), (34, 4632860), (40, 3937931), (68, 2316430), (85, 1853144), (136, 1158215), (170, 926572), (340, 463286), (680, 231643)]