80188815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{16249}}^1$

素因数の和:16311

約数の個数: 32

約数和(自身を含む): 149760000

約数和(自身を除く): 69571185

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 4935, 16249, 48747, 81245, 113743, 243735, 341229, 568715, 763703, 1706145, 2291109, 3818515, 5345921, 11455545, 16037763, 26729605, 80188815]

約数ペア:

[(1, 80188815), (3, 26729605), (5, 16037763), (7, 11455545), (15, 5345921), (21, 3818515), (35, 2291109), (47, 1706145), (105, 763703), (141, 568715), (235, 341229), (329, 243735), (705, 113743), (987, 81245), (1645, 48747), (4935, 16249)]