81358130

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{7219}}^1$

素因数の和:7263

約数の個数: 48

約数和(自身を含む): 177785280

約数和(自身を除く): 96427150

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 490, 805, 1127, 1610, 2254, 5635, 7219, 11270, 14438, 36095, 50533, 72190, 101066, 166037, 252665, 332074, 353731, 505330, 707462, 830185, 1162259, 1660370, 1768655, 2324518, 3537310, 5811295, 8135813, 11622590, 16271626, 40679065, 81358130]

約数ペア:

[(1, 81358130), (2, 40679065), (5, 16271626), (7, 11622590), (10, 8135813), (14, 5811295), (23, 3537310), (35, 2324518), (46, 1768655), (49, 1660370), (70, 1162259), (98, 830185), (115, 707462), (161, 505330), (230, 353731), (245, 332074), (322, 252665), (490, 166037), (805, 101066), (1127, 72190), (1610, 50533), (2254, 36095), (5635, 14438), (7219, 11270)]