128270240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{16361}}^1$

素因数の和:16390

約数の個数: 72

約数和(自身を含む): 352535652

約数和(自身を除く): 224265412

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 16361, 32722, 65444, 81805, 114527, 130888, 163610, 229054, 261776, 327220, 458108, 523552, 572635, 654440, 801689, 916216, 1145270, 1308880, 1603378, 1832432, 2290540, 2617760, 3206756, 3664864, 4008445, 4581080, 6413512, 8016890, 9162160, 12827024, 16033780, 18324320, 25654048, 32067560, 64135120, 128270240]

約数ペア:

[(1, 128270240), (2, 64135120), (4, 32067560), (5, 25654048), (7, 18324320), (8, 16033780), (10, 12827024), (14, 9162160), (16, 8016890), (20, 6413512), (28, 4581080), (32, 4008445), (35, 3664864), (40, 3206756), (49, 2617760), (56, 2290540), (70, 1832432), (80, 1603378), (98, 1308880), (112, 1145270), (140, 916216), (160, 801689), (196, 654440), (224, 572635), (245, 523552), (280, 458108), (392, 327220), (490, 261776), (560, 229054), (784, 163610), (980, 130888), (1120, 114527), (1568, 81805), (1960, 65444), (3920, 32722), (7840, 16361)]