61287520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{54721}}^1$

素因数の和:54743

約数の個数: 48

約数和(自身を含む): 165479328

約数和(自身を除く): 104191808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 54721, 109442, 218884, 273605, 383047, 437768, 547210, 766094, 875536, 1094420, 1532188, 1751072, 1915235, 2188840, 3064376, 3830470, 4377680, 6128752, 7660940, 8755360, 12257504, 15321880, 30643760, 61287520]

約数ペア:

[(1, 61287520), (2, 30643760), (4, 15321880), (5, 12257504), (7, 8755360), (8, 7660940), (10, 6128752), (14, 4377680), (16, 3830470), (20, 3064376), (28, 2188840), (32, 1915235), (35, 1751072), (40, 1532188), (56, 1094420), (70, 875536), (80, 766094), (112, 547210), (140, 437768), (160, 383047), (224, 273605), (280, 218884), (560, 109442), (1120, 54721)]