87703280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{787}}^1$

素因数の和:1006

約数の個数: 80

約数和(自身を含む): 234508800

約数和(自身を除く): 146805520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 199, 280, 398, 560, 787, 796, 995, 1393, 1574, 1592, 1990, 2786, 3148, 3184, 3935, 3980, 5509, 5572, 6296, 6965, 7870, 7960, 11018, 11144, 12592, 13930, 15740, 15920, 22036, 22288, 27545, 27860, 31480, 44072, 55090, 55720, 62960, 88144, 110180, 111440, 156613, 220360, 313226, 440720, 626452, 783065, 1096291, 1252904, 1566130, 2192582, 2505808, 3132260, 4385164, 5481455, 6264520, 8770328, 10962910, 12529040, 17540656, 21925820, 43851640, 87703280]

約数ペア:

[(1, 87703280), (2, 43851640), (4, 21925820), (5, 17540656), (7, 12529040), (8, 10962910), (10, 8770328), (14, 6264520), (16, 5481455), (20, 4385164), (28, 3132260), (35, 2505808), (40, 2192582), (56, 1566130), (70, 1252904), (80, 1096291), (112, 783065), (140, 626452), (199, 440720), (280, 313226), (398, 220360), (560, 156613), (787, 111440), (796, 110180), (995, 88144), (1393, 62960), (1574, 55720), (1592, 55090), (1990, 44072), (2786, 31480), (3148, 27860), (3184, 27545), (3935, 22288), (3980, 22036), (5509, 15920), (5572, 15740), (6296, 13930), (6965, 12592), (7870, 11144), (7960, 11018)]