1813647520

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{492839}}^1$

素因数の和:492877

約数の個数: 48

約数和(自身を含む): 4471044480

約数和(自身を除く): 2657396960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 492839, 985678, 1971356, 2464195, 3942712, 4928390, 7885424, 9856780, 11335297, 15770848, 19713560, 22670594, 39427120, 45341188, 56676485, 78854240, 90682376, 113352970, 181364752, 226705940, 362729504, 453411880, 906823760, 1813647520]

約数ペア:

[(1, 1813647520), (2, 906823760), (4, 453411880), (5, 362729504), (8, 226705940), (10, 181364752), (16, 113352970), (20, 90682376), (23, 78854240), (32, 56676485), (40, 45341188), (46, 39427120), (80, 22670594), (92, 19713560), (115, 15770848), (160, 11335297), (184, 9856780), (230, 7885424), (368, 4928390), (460, 3942712), (736, 2464195), (920, 1971356), (1840, 985678), (3680, 492839)]