7273720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 17262720

約数和(自身を除く): 9989000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 53, 73, 94, 106, 146, 188, 212, 235, 265, 292, 365, 376, 424, 470, 530, 584, 730, 940, 1060, 1460, 1880, 2120, 2491, 2920, 3431, 3869, 4982, 6862, 7738, 9964, 12455, 13724, 15476, 17155, 19345, 19928, 24910, 27448, 30952, 34310, 38690, 49820, 68620, 77380, 99640, 137240, 154760, 181843, 363686, 727372, 909215, 1454744, 1818430, 3636860, 7273720]

約数ペア:

[(1, 7273720), (2, 3636860), (4, 1818430), (5, 1454744), (8, 909215), (10, 727372), (20, 363686), (40, 181843), (47, 154760), (53, 137240), (73, 99640), (94, 77380), (106, 68620), (146, 49820), (188, 38690), (212, 34310), (235, 30952), (265, 27448), (292, 24910), (365, 19928), (376, 19345), (424, 17155), (470, 15476), (530, 13724), (584, 12455), (730, 9964), (940, 7738), (1060, 6862), (1460, 4982), (1880, 3869), (2120, 3431), (2491, 2920)]