15456140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{977}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 37461312

約数和(自身を除く): 22005172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 977, 1130, 1582, 1954, 2260, 3164, 3908, 3955, 4885, 6839, 7910, 9770, 13678, 15820, 19540, 27356, 34195, 68390, 110401, 136780, 220802, 441604, 552005, 772807, 1104010, 1545614, 2208020, 3091228, 3864035, 7728070, 15456140]

約数ペア:

[(1, 15456140), (2, 7728070), (4, 3864035), (5, 3091228), (7, 2208020), (10, 1545614), (14, 1104010), (20, 772807), (28, 552005), (35, 441604), (70, 220802), (113, 136780), (140, 110401), (226, 68390), (452, 34195), (565, 27356), (791, 19540), (977, 15820), (1130, 13678), (1582, 9770), (1954, 7910), (2260, 6839), (3164, 4885), (3908, 3955)]