1520408080

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{317}}^1\times {\mathrm{359}}^1$

素因数の和:856

約数の個数: 80

約数和(自身を含む): 3577271040

約数和(自身を除く): 2056862960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 317, 334, 359, 634, 668, 718, 835, 1268, 1336, 1436, 1585, 1670, 1795, 2536, 2672, 2872, 3170, 3340, 3590, 5072, 5744, 6340, 6680, 7180, 12680, 13360, 14360, 25360, 28720, 52939, 59953, 105878, 113803, 119906, 211756, 227606, 239812, 264695, 299765, 423512, 455212, 479624, 529390, 569015, 599530, 847024, 910424, 959248, 1058780, 1138030, 1199060, 1820848, 2117560, 2276060, 2398120, 4235120, 4552120, 4796240, 9104240, 19005101, 38010202, 76020404, 95025505, 152040808, 190051010, 304081616, 380102020, 760204040, 1520408080]

約数ペア:

[(1, 1520408080), (2, 760204040), (4, 380102020), (5, 304081616), (8, 190051010), (10, 152040808), (16, 95025505), (20, 76020404), (40, 38010202), (80, 19005101), (167, 9104240), (317, 4796240), (334, 4552120), (359, 4235120), (634, 2398120), (668, 2276060), (718, 2117560), (835, 1820848), (1268, 1199060), (1336, 1138030), (1436, 1058780), (1585, 959248), (1670, 910424), (1795, 847024), (2536, 599530), (2672, 569015), (2872, 529390), (3170, 479624), (3340, 455212), (3590, 423512), (5072, 299765), (5744, 264695), (6340, 239812), (6680, 227606), (7180, 211756), (12680, 119906), (13360, 113803), (14360, 105878), (25360, 59953), (28720, 52939)]