173667920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{461}}^1$

素因数の和:768

約数の個数: 80

約数和(自身を含む): 430003728

約数和(自身を除く): 256335808

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 277, 340, 461, 554, 680, 922, 1108, 1360, 1385, 1844, 2216, 2305, 2770, 3688, 4432, 4610, 4709, 5540, 7376, 7837, 9220, 9418, 11080, 15674, 18440, 18836, 22160, 23545, 31348, 36880, 37672, 39185, 47090, 62696, 75344, 78370, 94180, 125392, 127697, 156740, 188360, 255394, 313480, 376720, 510788, 626960, 638485, 1021576, 1276970, 2043152, 2170849, 2553940, 4341698, 5107880, 8683396, 10215760, 10854245, 17366792, 21708490, 34733584, 43416980, 86833960, 173667920]

約数ペア:

[(1, 173667920), (2, 86833960), (4, 43416980), (5, 34733584), (8, 21708490), (10, 17366792), (16, 10854245), (17, 10215760), (20, 8683396), (34, 5107880), (40, 4341698), (68, 2553940), (80, 2170849), (85, 2043152), (136, 1276970), (170, 1021576), (272, 638485), (277, 626960), (340, 510788), (461, 376720), (554, 313480), (680, 255394), (922, 188360), (1108, 156740), (1360, 127697), (1385, 125392), (1844, 94180), (2216, 78370), (2305, 75344), (2770, 62696), (3688, 47090), (4432, 39185), (4610, 37672), (4709, 36880), (5540, 31348), (7376, 23545), (7837, 22160), (9220, 18836), (9418, 18440), (11080, 15674)]