390069180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{1549}}^1$

素因数の和:2963

約数の個数: 72

約数和(自身を含む): 1184820000

約数和(自身を除く): 794750820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1399, 1549, 2798, 3098, 4197, 4647, 5596, 6196, 6995, 7745, 8394, 9294, 12591, 13941, 13990, 15490, 16788, 18588, 20985, 23235, 25182, 27882, 27980, 30980, 41970, 46470, 50364, 55764, 62955, 69705, 83940, 92940, 125910, 139410, 251820, 278820, 2167051, 4334102, 6501153, 8668204, 10835255, 13002306, 19503459, 21670510, 26004612, 32505765, 39006918, 43341020, 65011530, 78013836, 97517295, 130023060, 195034590, 390069180]

約数ペア:

[(1, 390069180), (2, 195034590), (3, 130023060), (4, 97517295), (5, 78013836), (6, 65011530), (9, 43341020), (10, 39006918), (12, 32505765), (15, 26004612), (18, 21670510), (20, 19503459), (30, 13002306), (36, 10835255), (45, 8668204), (60, 6501153), (90, 4334102), (180, 2167051), (1399, 278820), (1549, 251820), (2798, 139410), (3098, 125910), (4197, 92940), (4647, 83940), (5596, 69705), (6196, 62955), (6995, 55764), (7745, 50364), (8394, 46470), (9294, 41970), (12591, 30980), (13941, 27980), (13990, 27882), (15490, 25182), (16788, 23235), (18588, 20985)]