180742140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{2797}}^1$

素因数の和:3171

約数の個数: 72

約数和(自身を含む): 549974880

約数和(自身を除く): 369232740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 359, 718, 1077, 1436, 1795, 2154, 2797, 3231, 3590, 4308, 5385, 5594, 6462, 7180, 8391, 10770, 11188, 12924, 13985, 16155, 16782, 21540, 25173, 27970, 32310, 33564, 41955, 50346, 55940, 64620, 83910, 100692, 125865, 167820, 251730, 503460, 1004123, 2008246, 3012369, 4016492, 5020615, 6024738, 9037107, 10041230, 12049476, 15061845, 18074214, 20082460, 30123690, 36148428, 45185535, 60247380, 90371070, 180742140]

約数ペア:

[(1, 180742140), (2, 90371070), (3, 60247380), (4, 45185535), (5, 36148428), (6, 30123690), (9, 20082460), (10, 18074214), (12, 15061845), (15, 12049476), (18, 10041230), (20, 9037107), (30, 6024738), (36, 5020615), (45, 4016492), (60, 3012369), (90, 2008246), (180, 1004123), (359, 503460), (718, 251730), (1077, 167820), (1436, 125865), (1795, 100692), (2154, 83910), (2797, 64620), (3231, 55940), (3590, 50346), (4308, 41955), (5385, 33564), (5594, 32310), (6462, 27970), (7180, 25173), (8391, 21540), (10770, 16782), (11188, 16155), (12924, 13985)]