256177584

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{487}}^1$

素因数の和:795

約数の個数: 120

約数和(自身を含む): 776429472

約数和(自身を除く): 520251888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 281, 312, 468, 487, 562, 624, 843, 936, 974, 1124, 1461, 1686, 1872, 1948, 2248, 2529, 2922, 3372, 3653, 3896, 4383, 4496, 5058, 5844, 6331, 6744, 7306, 7792, 8766, 10116, 10959, 11688, 12662, 13488, 14612, 17532, 18993, 20232, 21918, 23376, 25324, 29224, 32877, 35064, 37986, 40464, 43836, 50648, 56979, 58448, 65754, 70128, 75972, 87672, 101296, 113958, 131508, 136847, 151944, 175344, 227916, 263016, 273694, 303888, 410541, 455832, 526032, 547388, 821082, 911664, 1094776, 1231623, 1642164, 1779011, 2189552, 2463246, 3284328, 3558022, 4926492, 5337033, 6568656, 7116044, 9852984, 10674066, 14232088, 16011099, 19705968, 21348132, 28464176, 32022198, 42696264, 64044396, 85392528, 128088792, 256177584]

約数ペア:

[(1, 256177584), (2, 128088792), (3, 85392528), (4, 64044396), (6, 42696264), (8, 32022198), (9, 28464176), (12, 21348132), (13, 19705968), (16, 16011099), (18, 14232088), (24, 10674066), (26, 9852984), (36, 7116044), (39, 6568656), (48, 5337033), (52, 4926492), (72, 3558022), (78, 3284328), (104, 2463246), (117, 2189552), (144, 1779011), (156, 1642164), (208, 1231623), (234, 1094776), (281, 911664), (312, 821082), (468, 547388), (487, 526032), (562, 455832), (624, 410541), (843, 303888), (936, 273694), (974, 263016), (1124, 227916), (1461, 175344), (1686, 151944), (1872, 136847), (1948, 131508), (2248, 113958), (2529, 101296), (2922, 87672), (3372, 75972), (3653, 70128), (3896, 65754), (4383, 58448), (4496, 56979), (5058, 50648), (5844, 43836), (6331, 40464), (6744, 37986), (7306, 35064), (7792, 32877), (8766, 29224), (10116, 25324), (10959, 23376), (11688, 21918), (12662, 20232), (13488, 18993), (14612, 17532)]