1640642730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{2963}}^1\times {\mathrm{18457}}^1$

素因数の和:21430

約数の個数: 32

約数和(自身を含む): 3939084864

約数和(自身を除く): 2298442134

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 2963, 5926, 8889, 14815, 17778, 18457, 29630, 36914, 44445, 55371, 88890, 92285, 110742, 184570, 276855, 553710, 54688091, 109376182, 164064273, 273440455, 328128546, 546880910, 820321365, 1640642730]

約数ペア:

[(1, 1640642730), (2, 820321365), (3, 546880910), (5, 328128546), (6, 273440455), (10, 164064273), (15, 109376182), (30, 54688091), (2963, 553710), (5926, 276855), (8889, 184570), (14815, 110742), (17778, 92285), (18457, 88890), (29630, 55371), (36914, 44445)]