289888020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{673}}^1\times {\mathrm{2393}}^1$

素因数の和:3081

約数の個数: 72

約数和(自身を含む): 881001576

約数和(自身を除く): 591113556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 673, 1346, 2019, 2393, 2692, 3365, 4038, 4786, 6057, 6730, 7179, 8076, 9572, 10095, 11965, 12114, 13460, 14358, 20190, 21537, 23930, 24228, 28716, 30285, 35895, 40380, 43074, 47860, 60570, 71790, 86148, 107685, 121140, 143580, 215370, 430740, 1610489, 3220978, 4831467, 6441956, 8052445, 9662934, 14494401, 16104890, 19325868, 24157335, 28988802, 32209780, 48314670, 57977604, 72472005, 96629340, 144944010, 289888020]

約数ペア:

[(1, 289888020), (2, 144944010), (3, 96629340), (4, 72472005), (5, 57977604), (6, 48314670), (9, 32209780), (10, 28988802), (12, 24157335), (15, 19325868), (18, 16104890), (20, 14494401), (30, 9662934), (36, 8052445), (45, 6441956), (60, 4831467), (90, 3220978), (180, 1610489), (673, 430740), (1346, 215370), (2019, 143580), (2393, 121140), (2692, 107685), (3365, 86148), (4038, 71790), (4786, 60570), (6057, 47860), (6730, 43074), (7179, 40380), (8076, 35895), (9572, 30285), (10095, 28716), (11965, 24228), (12114, 23930), (13460, 21537), (14358, 20190)]