18087180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{619}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 50830080

約数和(自身を除く): 32742900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 487, 619, 974, 1238, 1461, 1857, 1948, 2435, 2476, 2922, 3095, 3714, 4870, 5844, 6190, 7305, 7428, 9285, 9740, 12380, 14610, 18570, 29220, 37140, 301453, 602906, 904359, 1205812, 1507265, 1808718, 3014530, 3617436, 4521795, 6029060, 9043590, 18087180]

約数ペア:

[(1, 18087180), (2, 9043590), (3, 6029060), (4, 4521795), (5, 3617436), (6, 3014530), (10, 1808718), (12, 1507265), (15, 1205812), (20, 904359), (30, 602906), (60, 301453), (487, 37140), (619, 29220), (974, 18570), (1238, 14610), (1461, 12380), (1857, 9740), (1948, 9285), (2435, 7428), (2476, 7305), (2922, 6190), (3095, 5844), (3714, 4870)]