64135120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{16361}}^1$

素因数の和:16388

約数の個数: 60

約数和(自身を含む): 173469924

約数和(自身を除く): 109334804

約数列:

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

約数ペア:

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