51777840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{487}}^1$

素因数の和:946

約数の個数: 80

約数和(自身を含む): 161203968

約数和(自身を除く): 109426128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 443, 487, 886, 974, 1329, 1461, 1772, 1948, 2215, 2435, 2658, 2922, 3544, 3896, 4430, 4870, 5316, 5844, 6645, 7088, 7305, 7792, 8860, 9740, 10632, 11688, 13290, 14610, 17720, 19480, 21264, 23376, 26580, 29220, 35440, 38960, 53160, 58440, 106320, 116880, 215741, 431482, 647223, 862964, 1078705, 1294446, 1725928, 2157410, 2588892, 3236115, 3451856, 4314820, 5177784, 6472230, 8629640, 10355568, 12944460, 17259280, 25888920, 51777840]

約数ペア:

[(1, 51777840), (2, 25888920), (3, 17259280), (4, 12944460), (5, 10355568), (6, 8629640), (8, 6472230), (10, 5177784), (12, 4314820), (15, 3451856), (16, 3236115), (20, 2588892), (24, 2157410), (30, 1725928), (40, 1294446), (48, 1078705), (60, 862964), (80, 647223), (120, 431482), (240, 215741), (443, 116880), (487, 106320), (886, 58440), (974, 53160), (1329, 38960), (1461, 35440), (1772, 29220), (1948, 26580), (2215, 23376), (2435, 21264), (2658, 19480), (2922, 17720), (3544, 14610), (3896, 13290), (4430, 11688), (4870, 10632), (5316, 9740), (5844, 8860), (6645, 7792), (7088, 7305)]