81565290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47699}}^1$

素因数の和:47731

約数の個数: 48

約数和(自身を含む): 223236000

約数和(自身を除く): 141670710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 47699, 95398, 143097, 238495, 286194, 429291, 476990, 715485, 858582, 906281, 1430970, 1812562, 2146455, 2718843, 4292910, 4531405, 5437686, 8156529, 9062810, 13594215, 16313058, 27188430, 40782645, 81565290]

約数ペア:

[(1, 81565290), (2, 40782645), (3, 27188430), (5, 16313058), (6, 13594215), (9, 9062810), (10, 8156529), (15, 5437686), (18, 4531405), (19, 4292910), (30, 2718843), (38, 2146455), (45, 1812562), (57, 1430970), (90, 906281), (95, 858582), (114, 715485), (171, 476990), (190, 429291), (285, 286194), (342, 238495), (570, 143097), (855, 95398), (1710, 47699)]