71691270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{701}}^1$

素因数の和:1205

約数の個数: 64

約数和(自身を含む): 197323776

約数和(自身を除く): 125632506

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 487, 701, 974, 1402, 1461, 2103, 2435, 2922, 3409, 3505, 4206, 4870, 4907, 6818, 7010, 7305, 9814, 10227, 10515, 14610, 14721, 17045, 20454, 21030, 24535, 29442, 34090, 49070, 51135, 73605, 102270, 147210, 341387, 682774, 1024161, 1706935, 2048322, 2389709, 3413870, 4779418, 5120805, 7169127, 10241610, 11948545, 14338254, 23897090, 35845635, 71691270]

約数ペア:

[(1, 71691270), (2, 35845635), (3, 23897090), (5, 14338254), (6, 11948545), (7, 10241610), (10, 7169127), (14, 5120805), (15, 4779418), (21, 3413870), (30, 2389709), (35, 2048322), (42, 1706935), (70, 1024161), (105, 682774), (210, 341387), (487, 147210), (701, 102270), (974, 73605), (1402, 51135), (1461, 49070), (2103, 34090), (2435, 29442), (2922, 24535), (3409, 21030), (3505, 20454), (4206, 17045), (4870, 14721), (4907, 14610), (6818, 10515), (7010, 10227), (7305, 9814)]