78817920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{41051}}^1$

素因数の和:41073

約数の個数: 64

約数和(自身を含む): 251238240

約数和(自身を除く): 172420320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 41051, 82102, 123153, 164204, 205255, 246306, 328408, 410510, 492612, 615765, 656816, 821020, 985224, 1231530, 1313632, 1642040, 1970448, 2463060, 2627264, 3284080, 3940896, 4926120, 5254528, 6568160, 7881792, 9852240, 13136320, 15763584, 19704480, 26272640, 39408960, 78817920]

約数ペア:

[(1, 78817920), (2, 39408960), (3, 26272640), (4, 19704480), (5, 15763584), (6, 13136320), (8, 9852240), (10, 7881792), (12, 6568160), (15, 5254528), (16, 4926120), (20, 3940896), (24, 3284080), (30, 2627264), (32, 2463060), (40, 1970448), (48, 1642040), (60, 1313632), (64, 1231530), (80, 985224), (96, 821020), (120, 656816), (128, 615765), (160, 492612), (192, 410510), (240, 328408), (320, 246306), (384, 205255), (480, 164204), (640, 123153), (960, 82102), (1920, 41051)]