16837520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:408

約数の個数: 80

約数和(自身を含む): 45318528

約数和(自身を除く): 28481008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 107, 112, 140, 214, 280, 281, 428, 535, 560, 562, 749, 856, 1070, 1124, 1405, 1498, 1712, 1967, 2140, 2248, 2810, 2996, 3745, 3934, 4280, 4496, 5620, 5992, 7490, 7868, 8560, 9835, 11240, 11984, 14980, 15736, 19670, 22480, 29960, 30067, 31472, 39340, 59920, 60134, 78680, 120268, 150335, 157360, 210469, 240536, 300670, 420938, 481072, 601340, 841876, 1052345, 1202680, 1683752, 2104690, 2405360, 3367504, 4209380, 8418760, 16837520]

約数ペア:

[(1, 16837520), (2, 8418760), (4, 4209380), (5, 3367504), (7, 2405360), (8, 2104690), (10, 1683752), (14, 1202680), (16, 1052345), (20, 841876), (28, 601340), (35, 481072), (40, 420938), (56, 300670), (70, 240536), (80, 210469), (107, 157360), (112, 150335), (140, 120268), (214, 78680), (280, 60134), (281, 59920), (428, 39340), (535, 31472), (560, 30067), (562, 29960), (749, 22480), (856, 19670), (1070, 15736), (1124, 14980), (1405, 11984), (1498, 11240), (1712, 9835), (1967, 8560), (2140, 7868), (2248, 7490), (2810, 5992), (2996, 5620), (3745, 4496), (3934, 4280)]