217691640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{604699}}^1$

素因数の和:604716

約数の個数: 48

約数和(自身を含む): 707499000

約数和(自身を除く): 489807360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 604699, 1209398, 1814097, 2418796, 3023495, 3628194, 4837592, 5442291, 6046990, 7256388, 9070485, 10884582, 12093980, 14512776, 18140970, 21769164, 24187960, 27211455, 36281940, 43538328, 54422910, 72563880, 108845820, 217691640]

約数ペア:

[(1, 217691640), (2, 108845820), (3, 72563880), (4, 54422910), (5, 43538328), (6, 36281940), (8, 27211455), (9, 24187960), (10, 21769164), (12, 18140970), (15, 14512776), (18, 12093980), (20, 10884582), (24, 9070485), (30, 7256388), (36, 6046990), (40, 5442291), (45, 4837592), (60, 3628194), (72, 3023495), (90, 2418796), (120, 1814097), (180, 1209398), (360, 604699)]