81214416

素因数分解:

$2^4\times 3^2\times {\mathrm{359}}^1\times {\mathrm{1571}}^1$

素因数の和:1944

約数の個数: 60

約数和(自身を含む): 228065760

約数和(自身を除く): 146851344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 359, 718, 1077, 1436, 1571, 2154, 2872, 3142, 3231, 4308, 4713, 5744, 6284, 6462, 8616, 9426, 12568, 12924, 14139, 17232, 18852, 25136, 25848, 28278, 37704, 51696, 56556, 75408, 113112, 226224, 563989, 1127978, 1691967, 2255956, 3383934, 4511912, 5075901, 6767868, 9023824, 10151802, 13535736, 20303604, 27071472, 40607208, 81214416]

約数ペア:

[(1, 81214416), (2, 40607208), (3, 27071472), (4, 20303604), (6, 13535736), (8, 10151802), (9, 9023824), (12, 6767868), (16, 5075901), (18, 4511912), (24, 3383934), (36, 2255956), (48, 1691967), (72, 1127978), (144, 563989), (359, 226224), (718, 113112), (1077, 75408), (1436, 56556), (1571, 51696), (2154, 37704), (2872, 28278), (3142, 25848), (3231, 25136), (4308, 18852), (4713, 17232), (5744, 14139), (6284, 12924), (6462, 12568), (8616, 9426)]