11809280

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{659}}^1$

素因数の和:689

約数の個数: 80

約数和(自身を含む): 32408640

約数和(自身を除く): 20599360

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, 659, 896, 1120, 1280, 1318, 1792, 2240, 2560, 2636, 3295, 3584, 4480, 4613, 5272, 6590, 8960, 9226, 10544, 13180, 17920, 18452, 21088, 23065, 26360, 36904, 42176, 46130, 52720, 73808, 84352, 92260, 105440, 147616, 168704, 184520, 210880, 295232, 337408, 369040, 421760, 590464, 738080, 843520, 1180928, 1476160, 1687040, 2361856, 2952320, 5904640, 11809280]

約数ペア:

[(1, 11809280), (2, 5904640), (4, 2952320), (5, 2361856), (7, 1687040), (8, 1476160), (10, 1180928), (14, 843520), (16, 738080), (20, 590464), (28, 421760), (32, 369040), (35, 337408), (40, 295232), (56, 210880), (64, 184520), (70, 168704), (80, 147616), (112, 105440), (128, 92260), (140, 84352), (160, 73808), (224, 52720), (256, 46130), (280, 42176), (320, 36904), (448, 26360), (512, 23065), (560, 21088), (640, 18452), (659, 17920), (896, 13180), (1120, 10544), (1280, 9226), (1318, 8960), (1792, 6590), (2240, 5272), (2560, 4613), (2636, 4480), (3295, 3584)]