78210560

素因数分解:

$2^9\times 5^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:383

約数の個数: 80

約数和(自身を含む): 189737856

約数和(自身を除く): 111527296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 223, 256, 274, 320, 446, 512, 548, 640, 685, 892, 1096, 1115, 1280, 1370, 1784, 2192, 2230, 2560, 2740, 3568, 4384, 4460, 5480, 7136, 8768, 8920, 10960, 14272, 17536, 17840, 21920, 28544, 30551, 35072, 35680, 43840, 57088, 61102, 70144, 71360, 87680, 114176, 122204, 142720, 152755, 175360, 244408, 285440, 305510, 350720, 488816, 570880, 611020, 977632, 1222040, 1955264, 2444080, 3910528, 4888160, 7821056, 9776320, 15642112, 19552640, 39105280, 78210560]

約数ペア:

[(1, 78210560), (2, 39105280), (4, 19552640), (5, 15642112), (8, 9776320), (10, 7821056), (16, 4888160), (20, 3910528), (32, 2444080), (40, 1955264), (64, 1222040), (80, 977632), (128, 611020), (137, 570880), (160, 488816), (223, 350720), (256, 305510), (274, 285440), (320, 244408), (446, 175360), (512, 152755), (548, 142720), (640, 122204), (685, 114176), (892, 87680), (1096, 71360), (1115, 70144), (1280, 61102), (1370, 57088), (1784, 43840), (2192, 35680), (2230, 35072), (2560, 30551), (2740, 28544), (3568, 21920), (4384, 17840), (4460, 17536), (5480, 14272), (7136, 10960), (8768, 8920)]