220698180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1226101}}^1$

素因数の和:1226116

約数の個数: 36

約数和(自身を含む): 669451692

約数和(自身を除く): 448753512

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1226101, 2452202, 3678303, 4904404, 6130505, 7356606, 11034909, 12261010, 14713212, 18391515, 22069818, 24522020, 36783030, 44139636, 55174545, 73566060, 110349090, 220698180]

約数ペア:

[(1, 220698180), (2, 110349090), (3, 73566060), (4, 55174545), (5, 44139636), (6, 36783030), (9, 24522020), (10, 22069818), (12, 18391515), (15, 14713212), (18, 12261010), (20, 11034909), (30, 7356606), (36, 6130505), (45, 4904404), (60, 3678303), (90, 2452202), (180, 1226101)]