78414280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4591}}^1$

素因数の和:4670

約数の個数: 64

約数和(自身を含む): 204986880

約数和(自身を除く): 126572600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 4591, 8540, 9182, 17080, 18364, 22955, 32137, 36728, 45910, 64274, 91820, 128548, 160685, 183640, 257096, 280051, 321370, 560102, 642740, 1120204, 1285480, 1400255, 1960357, 2240408, 2800510, 3920714, 5601020, 7841428, 9801785, 11202040, 15682856, 19603570, 39207140, 78414280]

約数ペア:

[(1, 78414280), (2, 39207140), (4, 19603570), (5, 15682856), (7, 11202040), (8, 9801785), (10, 7841428), (14, 5601020), (20, 3920714), (28, 2800510), (35, 2240408), (40, 1960357), (56, 1400255), (61, 1285480), (70, 1120204), (122, 642740), (140, 560102), (244, 321370), (280, 280051), (305, 257096), (427, 183640), (488, 160685), (610, 128548), (854, 91820), (1220, 64274), (1708, 45910), (2135, 36728), (2440, 32137), (3416, 22955), (4270, 18364), (4591, 17080), (8540, 9182)]