85807360

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1559}}^1$

素因数の和:1623

約数の個数: 72

約数和(自身を含む): 210450240

約数和(自身を除く): 124642880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 640, 688, 860, 1280, 1376, 1559, 1720, 2752, 3118, 3440, 5504, 6236, 6880, 7795, 11008, 12472, 13760, 15590, 24944, 27520, 31180, 49888, 55040, 62360, 67037, 99776, 124720, 134074, 199552, 249440, 268148, 335185, 399104, 498880, 536296, 670370, 997760, 1072592, 1340740, 1995520, 2145184, 2681480, 4290368, 5362960, 8580736, 10725920, 17161472, 21451840, 42903680, 85807360]

約数ペア:

[(1, 85807360), (2, 42903680), (4, 21451840), (5, 17161472), (8, 10725920), (10, 8580736), (16, 5362960), (20, 4290368), (32, 2681480), (40, 2145184), (43, 1995520), (64, 1340740), (80, 1072592), (86, 997760), (128, 670370), (160, 536296), (172, 498880), (215, 399104), (256, 335185), (320, 268148), (344, 249440), (430, 199552), (640, 134074), (688, 124720), (860, 99776), (1280, 67037), (1376, 62360), (1559, 55040), (1720, 49888), (2752, 31180), (3118, 27520), (3440, 24944), (5504, 15590), (6236, 13760), (6880, 12472), (7795, 11008)]