172623920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1097}}^1$

素因数の和:1398

約数の個数: 80

約数和(自身を含む): 460738368

約数和(自身を除く): 288114448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 281, 560, 562, 1097, 1124, 1405, 1967, 2194, 2248, 2810, 3934, 4388, 4496, 5485, 5620, 7679, 7868, 8776, 9835, 10970, 11240, 15358, 15736, 17552, 19670, 21940, 22480, 30716, 31472, 38395, 39340, 43880, 61432, 76790, 78680, 87760, 122864, 153580, 157360, 307160, 308257, 614320, 616514, 1233028, 1541285, 2157799, 2466056, 3082570, 4315598, 4932112, 6165140, 8631196, 10788995, 12330280, 17262392, 21577990, 24660560, 34524784, 43155980, 86311960, 172623920]

約数ペア:

[(1, 172623920), (2, 86311960), (4, 43155980), (5, 34524784), (7, 24660560), (8, 21577990), (10, 17262392), (14, 12330280), (16, 10788995), (20, 8631196), (28, 6165140), (35, 4932112), (40, 4315598), (56, 3082570), (70, 2466056), (80, 2157799), (112, 1541285), (140, 1233028), (280, 616514), (281, 614320), (560, 308257), (562, 307160), (1097, 157360), (1124, 153580), (1405, 122864), (1967, 87760), (2194, 78680), (2248, 76790), (2810, 61432), (3934, 43880), (4388, 39340), (4496, 38395), (5485, 31472), (5620, 30716), (7679, 22480), (7868, 21940), (8776, 19670), (9835, 17552), (10970, 15736), (11240, 15358)]