71845840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4297}}^1$

素因数の和:4340

約数の個数: 80

約数和(自身を含む): 191862720

約数和(自身を除く): 120016880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 4297, 8360, 8594, 16720, 17188, 21485, 34376, 42970, 47267, 68752, 81643, 85940, 94534, 163286, 171880, 189068, 236335, 326572, 343760, 378136, 408215, 472670, 653144, 756272, 816430, 898073, 945340, 1306288, 1632860, 1796146, 1890680, 3265720, 3592292, 3781360, 4490365, 6531440, 7184584, 8980730, 14369168, 17961460, 35922920, 71845840]

約数ペア:

[(1, 71845840), (2, 35922920), (4, 17961460), (5, 14369168), (8, 8980730), (10, 7184584), (11, 6531440), (16, 4490365), (19, 3781360), (20, 3592292), (22, 3265720), (38, 1890680), (40, 1796146), (44, 1632860), (55, 1306288), (76, 945340), (80, 898073), (88, 816430), (95, 756272), (110, 653144), (152, 472670), (176, 408215), (190, 378136), (209, 343760), (220, 326572), (304, 236335), (380, 189068), (418, 171880), (440, 163286), (760, 94534), (836, 85940), (880, 81643), (1045, 68752), (1520, 47267), (1672, 42970), (2090, 34376), (3344, 21485), (4180, 17188), (4297, 16720), (8360, 8594)]