128273280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{66809}}^1$

素因数の和:66831

約数の個数: 64

約数和(自身を含む): 408877200

約数和(自身を除く): 280603920

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, 66809, 133618, 200427, 267236, 334045, 400854, 534472, 668090, 801708, 1002135, 1068944, 1336180, 1603416, 2004270, 2137888, 2672360, 3206832, 4008540, 4275776, 5344720, 6413664, 8017080, 8551552, 10689440, 12827328, 16034160, 21378880, 25654656, 32068320, 42757760, 64136640, 128273280]

約数ペア:

[(1, 128273280), (2, 64136640), (3, 42757760), (4, 32068320), (5, 25654656), (6, 21378880), (8, 16034160), (10, 12827328), (12, 10689440), (15, 8551552), (16, 8017080), (20, 6413664), (24, 5344720), (30, 4275776), (32, 4008540), (40, 3206832), (48, 2672360), (60, 2137888), (64, 2004270), (80, 1603416), (96, 1336180), (120, 1068944), (128, 1002135), (160, 801708), (192, 668090), (240, 534472), (320, 400854), (384, 334045), (480, 267236), (640, 200427), (960, 133618), (1920, 66809)]