81144810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1579}}^1$

素因数の和:2163

約数の個数: 48

約数和(自身を含む): 211479840

約数和(自身を除く): 130335030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 571, 1142, 1579, 1713, 2855, 3158, 3426, 4737, 5139, 5710, 7895, 8565, 9474, 10278, 14211, 15790, 17130, 23685, 25695, 28422, 47370, 51390, 71055, 142110, 901609, 1803218, 2704827, 4508045, 5409654, 8114481, 9016090, 13524135, 16228962, 27048270, 40572405, 81144810]

約数ペア:

[(1, 81144810), (2, 40572405), (3, 27048270), (5, 16228962), (6, 13524135), (9, 9016090), (10, 8114481), (15, 5409654), (18, 4508045), (30, 2704827), (45, 1803218), (90, 901609), (571, 142110), (1142, 71055), (1579, 51390), (1713, 47370), (2855, 28422), (3158, 25695), (3426, 23685), (4737, 17130), (5139, 15790), (5710, 14211), (7895, 10278), (8565, 9474)]