16990530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 42301440

約数和(自身を除く): 25310910

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 79, 107, 134, 158, 201, 214, 237, 321, 335, 395, 402, 474, 535, 642, 670, 790, 1005, 1070, 1185, 1605, 2010, 2370, 3210, 5293, 7169, 8453, 10586, 14338, 15879, 16906, 21507, 25359, 26465, 31758, 35845, 42265, 43014, 50718, 52930, 71690, 79395, 84530, 107535, 126795, 158790, 215070, 253590, 566351, 1132702, 1699053, 2831755, 3398106, 5663510, 8495265, 16990530]

約数ペア:

[(1, 16990530), (2, 8495265), (3, 5663510), (5, 3398106), (6, 2831755), (10, 1699053), (15, 1132702), (30, 566351), (67, 253590), (79, 215070), (107, 158790), (134, 126795), (158, 107535), (201, 84530), (214, 79395), (237, 71690), (321, 52930), (335, 50718), (395, 43014), (402, 42265), (474, 35845), (535, 31758), (642, 26465), (670, 25359), (790, 21507), (1005, 16906), (1070, 15879), (1185, 14338), (1605, 10586), (2010, 8453), (2370, 7169), (3210, 5293)]