8390040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{503}}^1$

素因数の和:656

約数の個数: 64

約数和(自身を含む): 25401600

約数和(自身を除く): 17011560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 503, 556, 695, 834, 1006, 1112, 1390, 1509, 1668, 2012, 2085, 2515, 2780, 3018, 3336, 4024, 4170, 5030, 5560, 6036, 7545, 8340, 10060, 12072, 15090, 16680, 20120, 30180, 60360, 69917, 139834, 209751, 279668, 349585, 419502, 559336, 699170, 839004, 1048755, 1398340, 1678008, 2097510, 2796680, 4195020, 8390040]

約数ペア:

[(1, 8390040), (2, 4195020), (3, 2796680), (4, 2097510), (5, 1678008), (6, 1398340), (8, 1048755), (10, 839004), (12, 699170), (15, 559336), (20, 419502), (24, 349585), (30, 279668), (40, 209751), (60, 139834), (120, 69917), (139, 60360), (278, 30180), (417, 20120), (503, 16680), (556, 15090), (695, 12072), (834, 10060), (1006, 8340), (1112, 7545), (1390, 6036), (1509, 5560), (1668, 5030), (2012, 4170), (2085, 4024), (2515, 3336), (2780, 3018)]