144080720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{257287}}^1$

素因数の和:257307

約数の個数: 40

約数和(自身を含む): 382844544

約数和(自身を除く): 238763824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 257287, 514574, 1029148, 1286435, 1801009, 2058296, 2572870, 3602018, 4116592, 5145740, 7204036, 9005045, 10291480, 14408072, 18010090, 20582960, 28816144, 36020180, 72040360, 144080720]

約数ペア:

[(1, 144080720), (2, 72040360), (4, 36020180), (5, 28816144), (7, 20582960), (8, 18010090), (10, 14408072), (14, 10291480), (16, 9005045), (20, 7204036), (28, 5145740), (35, 4116592), (40, 3602018), (56, 2572870), (70, 2058296), (80, 1801009), (112, 1286435), (140, 1029148), (280, 514574), (560, 257287)]