1289265040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{135427}}^1$

素因数の和:135464

約数の個数: 80

約数和(自身を含む): 3627303552

約数和(自身を除く): 2338038512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 9520, 135427, 270854, 541708, 677135, 947989, 1083416, 1354270, 1895978, 2166832, 2302259, 2708540, 3791956, 4604518, 4739945, 5417080, 7583912, 9209036, 9479890, 10834160, 11511295, 15167824, 16115813, 18418072, 18959780, 23022590, 32231626, 36836144, 37919560, 46045180, 64463252, 75839120, 80579065, 92090360, 128926504, 161158130, 184180720, 257853008, 322316260, 644632520, 1289265040]

約数ペア:

[(1, 1289265040), (2, 644632520), (4, 322316260), (5, 257853008), (7, 184180720), (8, 161158130), (10, 128926504), (14, 92090360), (16, 80579065), (17, 75839120), (20, 64463252), (28, 46045180), (34, 37919560), (35, 36836144), (40, 32231626), (56, 23022590), (68, 18959780), (70, 18418072), (80, 16115813), (85, 15167824), (112, 11511295), (119, 10834160), (136, 9479890), (140, 9209036), (170, 7583912), (238, 5417080), (272, 4739945), (280, 4604518), (340, 3791956), (476, 2708540), (560, 2302259), (595, 2166832), (680, 1895978), (952, 1354270), (1190, 1083416), (1360, 947989), (1904, 677135), (2380, 541708), (4760, 270854), (9520, 135427)]