128305440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{89101}}^1$

素因数の和:89122

約数の個数: 72

約数和(自身を含む): 437847228

約数和(自身を除く): 309541788

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 89101, 178202, 267303, 356404, 445505, 534606, 712808, 801909, 891010, 1069212, 1336515, 1425616, 1603818, 1782020, 2138424, 2673030, 2851232, 3207636, 3564040, 4009545, 4276848, 5346060, 6415272, 7128080, 8019090, 8553696, 10692120, 12830544, 14256160, 16038180, 21384240, 25661088, 32076360, 42768480, 64152720, 128305440]

約数ペア:

[(1, 128305440), (2, 64152720), (3, 42768480), (4, 32076360), (5, 25661088), (6, 21384240), (8, 16038180), (9, 14256160), (10, 12830544), (12, 10692120), (15, 8553696), (16, 8019090), (18, 7128080), (20, 6415272), (24, 5346060), (30, 4276848), (32, 4009545), (36, 3564040), (40, 3207636), (45, 2851232), (48, 2673030), (60, 2138424), (72, 1782020), (80, 1603818), (90, 1425616), (96, 1336515), (120, 1069212), (144, 891010), (160, 801909), (180, 712808), (240, 534606), (288, 445505), (360, 356404), (480, 267303), (720, 178202), (1440, 89101)]