28670820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{477847}}^1$

素因数の和:477859

約数の個数: 24

約数和(自身を含む): 80278464

約数和(自身を除く): 51607644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 477847, 955694, 1433541, 1911388, 2389235, 2867082, 4778470, 5734164, 7167705, 9556940, 14335410, 28670820]

約数ペア:

[(1, 28670820), (2, 14335410), (3, 9556940), (4, 7167705), (5, 5734164), (6, 4778470), (10, 2867082), (12, 2389235), (15, 1911388), (20, 1433541), (30, 955694), (60, 477847)]