79439920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3299}}^1$

素因数の和:3362

約数の個数: 80

約数和(自身を含む): 216057600

約数和(自身を除く): 136617680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1505, 1720, 2408, 3010, 3299, 3440, 4816, 6020, 6598, 12040, 13196, 16495, 23093, 24080, 26392, 32990, 46186, 52784, 65980, 92372, 115465, 131960, 141857, 184744, 230930, 263920, 283714, 369488, 461860, 567428, 709285, 923720, 992999, 1134856, 1418570, 1847440, 1985998, 2269712, 2837140, 3971996, 4964995, 5674280, 7943992, 9929990, 11348560, 15887984, 19859980, 39719960, 79439920]

約数ペア:

[(1, 79439920), (2, 39719960), (4, 19859980), (5, 15887984), (7, 11348560), (8, 9929990), (10, 7943992), (14, 5674280), (16, 4964995), (20, 3971996), (28, 2837140), (35, 2269712), (40, 1985998), (43, 1847440), (56, 1418570), (70, 1134856), (80, 992999), (86, 923720), (112, 709285), (140, 567428), (172, 461860), (215, 369488), (280, 283714), (301, 263920), (344, 230930), (430, 184744), (560, 141857), (602, 131960), (688, 115465), (860, 92372), (1204, 65980), (1505, 52784), (1720, 46186), (2408, 32990), (3010, 26392), (3299, 24080), (3440, 23093), (4816, 16495), (6020, 13196), (6598, 12040)]