78157070

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 154828800

約数和(自身を除く): 76671730

約数列:

[1, 2, 5, 10, 19, 38, 41, 79, 82, 95, 127, 158, 190, 205, 254, 395, 410, 635, 779, 790, 1270, 1501, 1558, 2413, 3002, 3239, 3895, 4826, 5207, 6478, 7505, 7790, 10033, 10414, 12065, 15010, 16195, 20066, 24130, 26035, 32390, 50165, 52070, 61541, 98933, 100330, 123082, 190627, 197866, 307705, 381254, 411353, 494665, 615410, 822706, 953135, 989330, 1906270, 2056765, 4113530, 7815707, 15631414, 39078535, 78157070]

約数ペア:

[(1, 78157070), (2, 39078535), (5, 15631414), (10, 7815707), (19, 4113530), (38, 2056765), (41, 1906270), (79, 989330), (82, 953135), (95, 822706), (127, 615410), (158, 494665), (190, 411353), (205, 381254), (254, 307705), (395, 197866), (410, 190627), (635, 123082), (779, 100330), (790, 98933), (1270, 61541), (1501, 52070), (1558, 50165), (2413, 32390), (3002, 26035), (3239, 24130), (3895, 20066), (4826, 16195), (5207, 15010), (6478, 12065), (7505, 10414), (7790, 10033)]