77320040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{383}}^1$

素因数の和:511

約数の個数: 96

約数和(自身を含む): 204871680

約数和(自身を除く): 127551640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 103, 140, 196, 206, 245, 280, 383, 392, 412, 490, 515, 721, 766, 824, 980, 1030, 1442, 1532, 1915, 1960, 2060, 2681, 2884, 3064, 3605, 3830, 4120, 5047, 5362, 5768, 7210, 7660, 10094, 10724, 13405, 14420, 15320, 18767, 20188, 21448, 25235, 26810, 28840, 37534, 39449, 40376, 50470, 53620, 75068, 78898, 93835, 100940, 107240, 150136, 157796, 187670, 197245, 201880, 276143, 315592, 375340, 394490, 552286, 750680, 788980, 1104572, 1380715, 1577960, 1933001, 2209144, 2761430, 3866002, 5522860, 7732004, 9665005, 11045720, 15464008, 19330010, 38660020, 77320040]

約数ペア:

[(1, 77320040), (2, 38660020), (4, 19330010), (5, 15464008), (7, 11045720), (8, 9665005), (10, 7732004), (14, 5522860), (20, 3866002), (28, 2761430), (35, 2209144), (40, 1933001), (49, 1577960), (56, 1380715), (70, 1104572), (98, 788980), (103, 750680), (140, 552286), (196, 394490), (206, 375340), (245, 315592), (280, 276143), (383, 201880), (392, 197245), (412, 187670), (490, 157796), (515, 150136), (721, 107240), (766, 100940), (824, 93835), (980, 78898), (1030, 75068), (1442, 53620), (1532, 50470), (1915, 40376), (1960, 39449), (2060, 37534), (2681, 28840), (2884, 26810), (3064, 25235), (3605, 21448), (3830, 20188), (4120, 18767), (5047, 15320), (5362, 14420), (5768, 13405), (7210, 10724), (7660, 10094)]