69384280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{647}}^1$

素因数の和:1048

約数の個数: 64

約数和(自身を含む): 179159040

約数和(自身を除く): 109774760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 383, 647, 766, 1294, 1532, 1915, 2588, 2681, 3064, 3235, 3830, 4529, 5176, 5362, 6470, 7660, 9058, 10724, 12940, 13405, 15320, 18116, 21448, 22645, 25880, 26810, 36232, 45290, 53620, 90580, 107240, 181160, 247801, 495602, 991204, 1239005, 1734607, 1982408, 2478010, 3469214, 4956020, 6938428, 8673035, 9912040, 13876856, 17346070, 34692140, 69384280]

約数ペア:

[(1, 69384280), (2, 34692140), (4, 17346070), (5, 13876856), (7, 9912040), (8, 8673035), (10, 6938428), (14, 4956020), (20, 3469214), (28, 2478010), (35, 1982408), (40, 1734607), (56, 1239005), (70, 991204), (140, 495602), (280, 247801), (383, 181160), (647, 107240), (766, 90580), (1294, 53620), (1532, 45290), (1915, 36232), (2588, 26810), (2681, 25880), (3064, 22645), (3235, 21448), (3830, 18116), (4529, 15320), (5176, 13405), (5362, 12940), (6470, 10724), (7660, 9058)]