80254260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{449}}^1$

素因数の和:798

約数の個数: 96

約数和(自身を含む): 250992000

約数和(自身を除く): 170737740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 331, 449, 540, 662, 898, 993, 1324, 1347, 1655, 1796, 1986, 2245, 2694, 2979, 3310, 3972, 4041, 4490, 4965, 5388, 5958, 6620, 6735, 8082, 8937, 8980, 9930, 11916, 12123, 13470, 14895, 16164, 17874, 19860, 20205, 24246, 26940, 29790, 35748, 40410, 44685, 48492, 59580, 60615, 80820, 89370, 121230, 148619, 178740, 242460, 297238, 445857, 594476, 743095, 891714, 1337571, 1486190, 1783428, 2229285, 2675142, 2972380, 4012713, 4458570, 5350284, 6687855, 8025426, 8917140, 13375710, 16050852, 20063565, 26751420, 40127130, 80254260]

約数ペア:

[(1, 80254260), (2, 40127130), (3, 26751420), (4, 20063565), (5, 16050852), (6, 13375710), (9, 8917140), (10, 8025426), (12, 6687855), (15, 5350284), (18, 4458570), (20, 4012713), (27, 2972380), (30, 2675142), (36, 2229285), (45, 1783428), (54, 1486190), (60, 1337571), (90, 891714), (108, 743095), (135, 594476), (180, 445857), (270, 297238), (331, 242460), (449, 178740), (540, 148619), (662, 121230), (898, 89370), (993, 80820), (1324, 60615), (1347, 59580), (1655, 48492), (1796, 44685), (1986, 40410), (2245, 35748), (2694, 29790), (2979, 26940), (3310, 24246), (3972, 20205), (4041, 19860), (4490, 17874), (4965, 16164), (5388, 14895), (5958, 13470), (6620, 12123), (6735, 11916), (8082, 9930), (8937, 8980)]