68753920

素因数分解:

$2^9\times 5^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:381

約数の個数: 80

約数和(自身を含む): 167051808

約数和(自身を除く): 98297888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 251, 256, 320, 428, 502, 512, 535, 640, 856, 1004, 1070, 1255, 1280, 1712, 2008, 2140, 2510, 2560, 3424, 4016, 4280, 5020, 6848, 8032, 8560, 10040, 13696, 16064, 17120, 20080, 26857, 27392, 32128, 34240, 40160, 53714, 54784, 64256, 68480, 80320, 107428, 128512, 134285, 136960, 160640, 214856, 268570, 273920, 321280, 429712, 537140, 642560, 859424, 1074280, 1718848, 2148560, 3437696, 4297120, 6875392, 8594240, 13750784, 17188480, 34376960, 68753920]

約数ペア:

[(1, 68753920), (2, 34376960), (4, 17188480), (5, 13750784), (8, 8594240), (10, 6875392), (16, 4297120), (20, 3437696), (32, 2148560), (40, 1718848), (64, 1074280), (80, 859424), (107, 642560), (128, 537140), (160, 429712), (214, 321280), (251, 273920), (256, 268570), (320, 214856), (428, 160640), (502, 136960), (512, 134285), (535, 128512), (640, 107428), (856, 80320), (1004, 68480), (1070, 64256), (1255, 54784), (1280, 53714), (1712, 40160), (2008, 34240), (2140, 32128), (2510, 27392), (2560, 26857), (3424, 20080), (4016, 17120), (4280, 16064), (5020, 13696), (6848, 10040), (8032, 8560)]