80636080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{463}}^1$

素因数の和:794

約数の個数: 80

約数和(自身を含む): 215414784

約数和(自身を除く): 134778704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 311, 463, 560, 622, 926, 1244, 1555, 1852, 2177, 2315, 2488, 3110, 3241, 3704, 4354, 4630, 4976, 6220, 6482, 7408, 8708, 9260, 10885, 12440, 12964, 16205, 17416, 18520, 21770, 24880, 25928, 32410, 34832, 37040, 43540, 51856, 64820, 87080, 129640, 143993, 174160, 259280, 287986, 575972, 719965, 1007951, 1151944, 1439930, 2015902, 2303888, 2879860, 4031804, 5039755, 5759720, 8063608, 10079510, 11519440, 16127216, 20159020, 40318040, 80636080]

約数ペア:

[(1, 80636080), (2, 40318040), (4, 20159020), (5, 16127216), (7, 11519440), (8, 10079510), (10, 8063608), (14, 5759720), (16, 5039755), (20, 4031804), (28, 2879860), (35, 2303888), (40, 2015902), (56, 1439930), (70, 1151944), (80, 1007951), (112, 719965), (140, 575972), (280, 287986), (311, 259280), (463, 174160), (560, 143993), (622, 129640), (926, 87080), (1244, 64820), (1555, 51856), (1852, 43540), (2177, 37040), (2315, 34832), (2488, 32410), (3110, 25928), (3241, 24880), (3704, 21770), (4354, 18520), (4630, 17416), (4976, 16205), (6220, 12964), (6482, 12440), (7408, 10885), (8708, 9260)]