91205680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{337}}^1$

素因数の和:566

約数の個数: 80

約数和(自身を含む): 226324800

約数和(自身を除く): 135119120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 199, 272, 337, 340, 398, 674, 680, 796, 995, 1348, 1360, 1592, 1685, 1990, 2696, 3184, 3370, 3383, 3980, 5392, 5729, 6740, 6766, 7960, 11458, 13480, 13532, 15920, 16915, 22916, 26960, 27064, 28645, 33830, 45832, 54128, 57290, 67063, 67660, 91664, 114580, 134126, 135320, 229160, 268252, 270640, 335315, 458320, 536504, 670630, 1073008, 1140071, 1341260, 2280142, 2682520, 4560284, 5365040, 5700355, 9120568, 11400710, 18241136, 22801420, 45602840, 91205680]

約数ペア:

[(1, 91205680), (2, 45602840), (4, 22801420), (5, 18241136), (8, 11400710), (10, 9120568), (16, 5700355), (17, 5365040), (20, 4560284), (34, 2682520), (40, 2280142), (68, 1341260), (80, 1140071), (85, 1073008), (136, 670630), (170, 536504), (199, 458320), (272, 335315), (337, 270640), (340, 268252), (398, 229160), (674, 135320), (680, 134126), (796, 114580), (995, 91664), (1348, 67660), (1360, 67063), (1592, 57290), (1685, 54128), (1990, 45832), (2696, 33830), (3184, 28645), (3370, 27064), (3383, 26960), (3980, 22916), (5392, 16915), (5729, 15920), (6740, 13532), (6766, 13480), (7960, 11458)]