22561280

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{1259}}^1$

素因数の和:1289

約数の個数: 80

約数和(自身を含む): 61871040

約数和(自身を除く): 39309760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1259, 1280, 1792, 2240, 2518, 2560, 3584, 4480, 5036, 6295, 8813, 8960, 10072, 12590, 17626, 17920, 20144, 25180, 35252, 40288, 44065, 50360, 70504, 80576, 88130, 100720, 141008, 161152, 176260, 201440, 282016, 322304, 352520, 402880, 564032, 644608, 705040, 805760, 1128064, 1410080, 1611520, 2256128, 2820160, 3223040, 4512256, 5640320, 11280640, 22561280]

約数ペア:

[(1, 22561280), (2, 11280640), (4, 5640320), (5, 4512256), (7, 3223040), (8, 2820160), (10, 2256128), (14, 1611520), (16, 1410080), (20, 1128064), (28, 805760), (32, 705040), (35, 644608), (40, 564032), (56, 402880), (64, 352520), (70, 322304), (80, 282016), (112, 201440), (128, 176260), (140, 161152), (160, 141008), (224, 100720), (256, 88130), (280, 80576), (320, 70504), (448, 50360), (512, 44065), (560, 40288), (640, 35252), (896, 25180), (1120, 20144), (1259, 17920), (1280, 17626), (1792, 12590), (2240, 10072), (2518, 8960), (2560, 8813), (3584, 6295), (4480, 5036)]