28981380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21001}}^1$

素因数の和:21036

約数の個数: 48

約数和(自身を含む): 84680064

約数和(自身を除く): 55698684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 21001, 42002, 63003, 84004, 105005, 126006, 210010, 252012, 315015, 420020, 483023, 630030, 966046, 1260060, 1449069, 1932092, 2415115, 2898138, 4830230, 5796276, 7245345, 9660460, 14490690, 28981380]

約数ペア:

[(1, 28981380), (2, 14490690), (3, 9660460), (4, 7245345), (5, 5796276), (6, 4830230), (10, 2898138), (12, 2415115), (15, 1932092), (20, 1449069), (23, 1260060), (30, 966046), (46, 630030), (60, 483023), (69, 420020), (92, 315015), (115, 252012), (138, 210010), (230, 126006), (276, 105005), (345, 84004), (460, 63003), (690, 42002), (1380, 21001)]