128325760

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4663}}^1$

素因数の和:4725

約数の個数: 64

約数和(自身を含む): 313980480

約数和(自身を除く): 185654720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1376, 1720, 2752, 3440, 4663, 5504, 6880, 9326, 13760, 18652, 23315, 27520, 37304, 46630, 74608, 93260, 149216, 186520, 200509, 298432, 373040, 401018, 596864, 746080, 802036, 1002545, 1492160, 1604072, 2005090, 2984320, 3208144, 4010180, 6416288, 8020360, 12832576, 16040720, 25665152, 32081440, 64162880, 128325760]

約数ペア:

[(1, 128325760), (2, 64162880), (4, 32081440), (5, 25665152), (8, 16040720), (10, 12832576), (16, 8020360), (20, 6416288), (32, 4010180), (40, 3208144), (43, 2984320), (64, 2005090), (80, 1604072), (86, 1492160), (128, 1002545), (160, 802036), (172, 746080), (215, 596864), (320, 401018), (344, 373040), (430, 298432), (640, 200509), (688, 186520), (860, 149216), (1376, 93260), (1720, 74608), (2752, 46630), (3440, 37304), (4663, 27520), (5504, 23315), (6880, 18652), (9326, 13760)]