61452020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4027}}^1$

素因数の和:4152

約数の個数: 48

約数和(自身を含む): 148874880

約数和(自身を除く): 87422860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 4027, 7630, 8054, 15260, 16108, 20135, 28189, 40270, 56378, 80540, 112756, 140945, 281890, 438943, 563780, 877886, 1755772, 2194715, 3072601, 4389430, 6145202, 8778860, 12290404, 15363005, 30726010, 61452020]

約数ペア:

[(1, 61452020), (2, 30726010), (4, 15363005), (5, 12290404), (7, 8778860), (10, 6145202), (14, 4389430), (20, 3072601), (28, 2194715), (35, 1755772), (70, 877886), (109, 563780), (140, 438943), (218, 281890), (436, 140945), (545, 112756), (763, 80540), (1090, 56378), (1526, 40270), (2180, 28189), (3052, 20135), (3815, 16108), (4027, 15260), (7630, 8054)]