31990636160

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{7140767}}^1$

素因数の和:7140793

約数の個数: 64

約数和(自身を含む): 87403000320

約数和(自身を除く): 55412364160

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, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 7140767, 14281534, 28563068, 35703835, 49985369, 57126136, 71407670, 99970738, 114252272, 142815340, 199941476, 228504544, 249926845, 285630680, 399882952, 457009088, 499853690, 571261360, 799765904, 914018176, 999707380, 1142522720, 1599531808, 1999414760, 2285045440, 3199063616, 3998829520, 4570090880, 6398127232, 7997659040, 15995318080, 31990636160]

約数ペア:

[(1, 31990636160), (2, 15995318080), (4, 7997659040), (5, 6398127232), (7, 4570090880), (8, 3998829520), (10, 3199063616), (14, 2285045440), (16, 1999414760), (20, 1599531808), (28, 1142522720), (32, 999707380), (35, 914018176), (40, 799765904), (56, 571261360), (64, 499853690), (70, 457009088), (80, 399882952), (112, 285630680), (128, 249926845), (140, 228504544), (160, 199941476), (224, 142815340), (280, 114252272), (320, 99970738), (448, 71407670), (560, 57126136), (640, 49985369), (896, 35703835), (1120, 28563068), (2240, 14281534), (4480, 7140767)]