28710180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{673}}^1$

素因数の和:770

約数の個数: 96

約数和(自身を含む): 90585600

約数和(自身を除く): 61875420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 90, 108, 135, 158, 180, 237, 270, 316, 395, 474, 540, 673, 711, 790, 948, 1185, 1346, 1422, 1580, 2019, 2133, 2370, 2692, 2844, 3365, 3555, 4038, 4266, 4740, 6057, 6730, 7110, 8076, 8532, 10095, 10665, 12114, 13460, 14220, 18171, 20190, 21330, 24228, 30285, 36342, 40380, 42660, 53167, 60570, 72684, 90855, 106334, 121140, 159501, 181710, 212668, 265835, 319002, 363420, 478503, 531670, 638004, 797505, 957006, 1063340, 1435509, 1595010, 1914012, 2392515, 2871018, 3190020, 4785030, 5742036, 7177545, 9570060, 14355090, 28710180]

約数ペア:

[(1, 28710180), (2, 14355090), (3, 9570060), (4, 7177545), (5, 5742036), (6, 4785030), (9, 3190020), (10, 2871018), (12, 2392515), (15, 1914012), (18, 1595010), (20, 1435509), (27, 1063340), (30, 957006), (36, 797505), (45, 638004), (54, 531670), (60, 478503), (79, 363420), (90, 319002), (108, 265835), (135, 212668), (158, 181710), (180, 159501), (237, 121140), (270, 106334), (316, 90855), (395, 72684), (474, 60570), (540, 53167), (673, 42660), (711, 40380), (790, 36342), (948, 30285), (1185, 24228), (1346, 21330), (1422, 20190), (1580, 18171), (2019, 14220), (2133, 13460), (2370, 12114), (2692, 10665), (2844, 10095), (3365, 8532), (3555, 8076), (4038, 7110), (4266, 6730), (4740, 6057)]