11280640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{1259}}^1$

素因数の和:1287

約数の個数: 72

約数和(自身を含む): 30905280

約数和(自身を除く): 19624640

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, 560, 640, 896, 1120, 1259, 1280, 1792, 2240, 2518, 4480, 5036, 6295, 8813, 8960, 10072, 12590, 17626, 20144, 25180, 35252, 40288, 44065, 50360, 70504, 80576, 88130, 100720, 141008, 161152, 176260, 201440, 282016, 322304, 352520, 402880, 564032, 705040, 805760, 1128064, 1410080, 1611520, 2256128, 2820160, 5640320, 11280640]

約数ペア:

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