2650880

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 6745200

約数和(自身を除く): 4094320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 109, 128, 152, 160, 190, 218, 256, 304, 320, 380, 436, 545, 608, 640, 760, 872, 1090, 1216, 1280, 1520, 1744, 2071, 2180, 2432, 3040, 3488, 4142, 4360, 4864, 6080, 6976, 8284, 8720, 10355, 12160, 13952, 16568, 17440, 20710, 24320, 27904, 33136, 34880, 41420, 66272, 69760, 82840, 132544, 139520, 165680, 265088, 331360, 530176, 662720, 1325440, 2650880]

約数ペア:

[(1, 2650880), (2, 1325440), (4, 662720), (5, 530176), (8, 331360), (10, 265088), (16, 165680), (19, 139520), (20, 132544), (32, 82840), (38, 69760), (40, 66272), (64, 41420), (76, 34880), (80, 33136), (95, 27904), (109, 24320), (128, 20710), (152, 17440), (160, 16568), (190, 13952), (218, 12160), (256, 10355), (304, 8720), (320, 8284), (380, 6976), (436, 6080), (545, 4864), (608, 4360), (640, 4142), (760, 3488), (872, 3040), (1090, 2432), (1216, 2180), (1280, 2071), (1520, 1744)]