15216740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 40981248

約数和(自身を除く): 25764508

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 41, 44, 55, 70, 77, 82, 110, 140, 154, 164, 205, 220, 241, 287, 308, 385, 410, 451, 482, 574, 770, 820, 902, 964, 1148, 1205, 1435, 1540, 1687, 1804, 2255, 2410, 2651, 2870, 3157, 3374, 4510, 4820, 5302, 5740, 6314, 6748, 8435, 9020, 9881, 10604, 12628, 13255, 15785, 16870, 18557, 19762, 26510, 31570, 33740, 37114, 39524, 49405, 53020, 63140, 69167, 74228, 92785, 98810, 108691, 138334, 185570, 197620, 217382, 276668, 345835, 371140, 434764, 543455, 691670, 760837, 1086910, 1383340, 1521674, 2173820, 3043348, 3804185, 7608370, 15216740]

約数ペア:

[(1, 15216740), (2, 7608370), (4, 3804185), (5, 3043348), (7, 2173820), (10, 1521674), (11, 1383340), (14, 1086910), (20, 760837), (22, 691670), (28, 543455), (35, 434764), (41, 371140), (44, 345835), (55, 276668), (70, 217382), (77, 197620), (82, 185570), (110, 138334), (140, 108691), (154, 98810), (164, 92785), (205, 74228), (220, 69167), (241, 63140), (287, 53020), (308, 49405), (385, 39524), (410, 37114), (451, 33740), (482, 31570), (574, 26510), (770, 19762), (820, 18557), (902, 16870), (964, 15785), (1148, 13255), (1205, 12628), (1435, 10604), (1540, 9881), (1687, 9020), (1804, 8435), (2255, 6748), (2410, 6314), (2651, 5740), (2870, 5302), (3157, 4820), (3374, 4510)]