137300720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:462

約数の個数: 80

約数和(自身を含む): 329978880

約数和(自身を除く): 192678160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 167, 172, 215, 239, 334, 344, 430, 478, 668, 688, 835, 860, 956, 1195, 1336, 1670, 1720, 1912, 2390, 2672, 3340, 3440, 3824, 4780, 6680, 7181, 9560, 10277, 13360, 14362, 19120, 20554, 28724, 35905, 39913, 41108, 51385, 57448, 71810, 79826, 82216, 102770, 114896, 143620, 159652, 164432, 199565, 205540, 287240, 319304, 399130, 411080, 574480, 638608, 798260, 822160, 1596520, 1716259, 3193040, 3432518, 6865036, 8581295, 13730072, 17162590, 27460144, 34325180, 68650360, 137300720]

約数ペア:

[(1, 137300720), (2, 68650360), (4, 34325180), (5, 27460144), (8, 17162590), (10, 13730072), (16, 8581295), (20, 6865036), (40, 3432518), (43, 3193040), (80, 1716259), (86, 1596520), (167, 822160), (172, 798260), (215, 638608), (239, 574480), (334, 411080), (344, 399130), (430, 319304), (478, 287240), (668, 205540), (688, 199565), (835, 164432), (860, 159652), (956, 143620), (1195, 114896), (1336, 102770), (1670, 82216), (1720, 79826), (1912, 71810), (2390, 57448), (2672, 51385), (3340, 41108), (3440, 39913), (3824, 35905), (4780, 28724), (6680, 20554), (7181, 19120), (9560, 14362), (10277, 13360)]