30040660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2687}}^1$

素因数の和:2752

約数の個数: 48

約数和(自身を含む): 69543936

約数和(自身を除く): 39503276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2687, 2795, 5374, 5590, 10748, 11180, 13435, 26870, 34931, 53740, 69862, 115541, 139724, 174655, 231082, 349310, 462164, 577705, 698620, 1155410, 1502033, 2310820, 3004066, 6008132, 7510165, 15020330, 30040660]

約数ペア:

[(1, 30040660), (2, 15020330), (4, 7510165), (5, 6008132), (10, 3004066), (13, 2310820), (20, 1502033), (26, 1155410), (43, 698620), (52, 577705), (65, 462164), (86, 349310), (130, 231082), (172, 174655), (215, 139724), (260, 115541), (430, 69862), (559, 53740), (860, 34931), (1118, 26870), (2236, 13435), (2687, 11180), (2795, 10748), (5374, 5590)]