71553920

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4861}}^1$

素因数の和:4903

約数の個数: 64

約数和(自身を含む): 178532640

約数和(自身を除く): 106978720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3680, 4861, 7360, 9722, 14720, 19444, 24305, 38888, 48610, 77776, 97220, 111803, 155552, 194440, 223606, 311104, 388880, 447212, 559015, 622208, 777760, 894424, 1118030, 1555520, 1788848, 2236060, 3111040, 3577696, 4472120, 7155392, 8944240, 14310784, 17888480, 35776960, 71553920]

約数ペア:

[(1, 71553920), (2, 35776960), (4, 17888480), (5, 14310784), (8, 8944240), (10, 7155392), (16, 4472120), (20, 3577696), (23, 3111040), (32, 2236060), (40, 1788848), (46, 1555520), (64, 1118030), (80, 894424), (92, 777760), (115, 622208), (128, 559015), (160, 447212), (184, 388880), (230, 311104), (320, 223606), (368, 194440), (460, 155552), (640, 111803), (736, 97220), (920, 77776), (1472, 48610), (1840, 38888), (2944, 24305), (3680, 19444), (4861, 14720), (7360, 9722)]