30871120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{55127}}^1$

素因数の和:55147

約数の個数: 40

約数和(自身を含む): 82030464

約数和(自身を除く): 51159344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 55127, 110254, 220508, 275635, 385889, 441016, 551270, 771778, 882032, 1102540, 1543556, 1929445, 2205080, 3087112, 3858890, 4410160, 6174224, 7717780, 15435560, 30871120]

約数ペア:

[(1, 30871120), (2, 15435560), (4, 7717780), (5, 6174224), (7, 4410160), (8, 3858890), (10, 3087112), (14, 2205080), (16, 1929445), (20, 1543556), (28, 1102540), (35, 882032), (40, 771778), (56, 551270), (70, 441016), (80, 385889), (112, 275635), (140, 220508), (280, 110254), (560, 55127)]