16680990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 41792256

約数和(自身を除く): 25111266

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 67, 86, 129, 134, 193, 201, 215, 258, 335, 386, 402, 430, 579, 645, 670, 965, 1005, 1158, 1290, 1930, 2010, 2881, 2895, 5762, 5790, 8299, 8643, 12931, 14405, 16598, 17286, 24897, 25862, 28810, 38793, 41495, 43215, 49794, 64655, 77586, 82990, 86430, 124485, 129310, 193965, 248970, 387930, 556033, 1112066, 1668099, 2780165, 3336198, 5560330, 8340495, 16680990]

約数ペア:

[(1, 16680990), (2, 8340495), (3, 5560330), (5, 3336198), (6, 2780165), (10, 1668099), (15, 1112066), (30, 556033), (43, 387930), (67, 248970), (86, 193965), (129, 129310), (134, 124485), (193, 86430), (201, 82990), (215, 77586), (258, 64655), (335, 49794), (386, 43215), (402, 41495), (430, 38793), (579, 28810), (645, 25862), (670, 24897), (965, 17286), (1005, 16598), (1158, 14405), (1290, 12931), (1930, 8643), (2010, 8299), (2881, 5790), (2895, 5762)]