127655820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16493}}^1$

素因数の和:16551

約数の個数: 72

約数和(自身を含む): 396251856

約数和(自身を除く): 268596036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 16493, 32986, 49479, 65972, 82465, 98958, 148437, 164930, 197916, 247395, 296874, 329860, 494790, 593748, 709199, 742185, 989580, 1418398, 1484370, 2127597, 2836796, 2968740, 3545995, 4255194, 6382791, 7091990, 8510388, 10637985, 12765582, 14183980, 21275970, 25531164, 31913955, 42551940, 63827910, 127655820]

約数ペア:

[(1, 127655820), (2, 63827910), (3, 42551940), (4, 31913955), (5, 25531164), (6, 21275970), (9, 14183980), (10, 12765582), (12, 10637985), (15, 8510388), (18, 7091990), (20, 6382791), (30, 4255194), (36, 3545995), (43, 2968740), (45, 2836796), (60, 2127597), (86, 1484370), (90, 1418398), (129, 989580), (172, 742185), (180, 709199), (215, 593748), (258, 494790), (387, 329860), (430, 296874), (516, 247395), (645, 197916), (774, 164930), (860, 148437), (1290, 98958), (1548, 82465), (1935, 65972), (2580, 49479), (3870, 32986), (7740, 16493)]