166740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{397}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 534912

約数和(自身を除く): 368172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 397, 420, 794, 1191, 1588, 1985, 2382, 2779, 3970, 4764, 5558, 5955, 7940, 8337, 11116, 11910, 13895, 16674, 23820, 27790, 33348, 41685, 55580, 83370, 166740]

約数ペア:

[(1, 166740), (2, 83370), (3, 55580), (4, 41685), (5, 33348), (6, 27790), (7, 23820), (10, 16674), (12, 13895), (14, 11910), (15, 11116), (20, 8337), (21, 7940), (28, 5955), (30, 5558), (35, 4764), (42, 3970), (60, 2779), (70, 2382), (84, 1985), (105, 1588), (140, 1191), (210, 794), (397, 420)]