64825880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1823}}^1$

素因数の和:1968

約数の個数: 64

約数和(自身を含む): 168099840

約数和(自身を除く): 103273960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 635, 889, 1016, 1270, 1778, 1823, 2540, 3556, 3646, 4445, 5080, 7112, 7292, 8890, 9115, 12761, 14584, 17780, 18230, 25522, 35560, 36460, 51044, 63805, 72920, 102088, 127610, 231521, 255220, 463042, 510440, 926084, 1157605, 1620647, 1852168, 2315210, 3241294, 4630420, 6482588, 8103235, 9260840, 12965176, 16206470, 32412940, 64825880]

約数ペア:

[(1, 64825880), (2, 32412940), (4, 16206470), (5, 12965176), (7, 9260840), (8, 8103235), (10, 6482588), (14, 4630420), (20, 3241294), (28, 2315210), (35, 1852168), (40, 1620647), (56, 1157605), (70, 926084), (127, 510440), (140, 463042), (254, 255220), (280, 231521), (508, 127610), (635, 102088), (889, 72920), (1016, 63805), (1270, 51044), (1778, 36460), (1823, 35560), (2540, 25522), (3556, 18230), (3646, 17780), (4445, 14584), (5080, 12761), (7112, 9115), (7292, 8890)]