1277181440

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29347}}^1$

素因数の和:29387

約数の個数: 80

約数和(自身を含む): 3242484432

約数和(自身を除く): 1965302992

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 2176, 2560, 2720, 4352, 5440, 8704, 10880, 21760, 29347, 43520, 58694, 117388, 146735, 234776, 293470, 469552, 498899, 586940, 939104, 997798, 1173880, 1878208, 1995596, 2347760, 2494495, 3756416, 3991192, 4695520, 4988990, 7512832, 7982384, 9391040, 9977980, 15025664, 15964768, 18782080, 19955960, 31929536, 37564160, 39911920, 63859072, 75128320, 79823840, 127718144, 159647680, 255436288, 319295360, 638590720, 1277181440]

約数ペア:

[(1, 1277181440), (2, 638590720), (4, 319295360), (5, 255436288), (8, 159647680), (10, 127718144), (16, 79823840), (17, 75128320), (20, 63859072), (32, 39911920), (34, 37564160), (40, 31929536), (64, 19955960), (68, 18782080), (80, 15964768), (85, 15025664), (128, 9977980), (136, 9391040), (160, 7982384), (170, 7512832), (256, 4988990), (272, 4695520), (320, 3991192), (340, 3756416), (512, 2494495), (544, 2347760), (640, 1995596), (680, 1878208), (1088, 1173880), (1280, 997798), (1360, 939104), (2176, 586940), (2560, 498899), (2720, 469552), (4352, 293470), (5440, 234776), (8704, 146735), (10880, 117388), (21760, 58694), (29347, 43520)]