820111040

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:495

約数の個数: 168

約数和(自身を含む): 2291925312

約数和(自身を除く): 1471814272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 193, 196, 224, 245, 271, 280, 320, 386, 392, 448, 490, 542, 560, 772, 784, 965, 980, 1084, 1120, 1351, 1355, 1544, 1568, 1897, 1930, 1960, 2168, 2240, 2702, 2710, 3088, 3136, 3794, 3860, 3920, 4336, 5404, 5420, 6176, 6755, 7588, 7720, 7840, 8672, 9457, 9485, 10808, 10840, 12352, 13279, 13510, 15176, 15440, 15680, 17344, 18914, 18970, 21616, 21680, 26558, 27020, 30352, 30880, 37828, 37940, 43232, 43360, 47285, 52303, 53116, 54040, 60704, 61760, 66395, 75656, 75880, 86464, 86720, 94570, 104606, 106232, 108080, 121408, 132790, 151312, 151760, 189140, 209212, 212464, 216160, 261515, 265580, 302624, 303520, 366121, 378280, 418424, 424928, 432320, 523030, 531160, 605248, 607040, 732242, 756560, 836848, 849856, 1046060, 1062320, 1464484, 1513120, 1673696, 1830605, 2092120, 2124640, 2562847, 2928968, 3026240, 3347392, 3661210, 4184240, 4249280, 5125694, 5857936, 7322420, 8368480, 10251388, 11715872, 12814235, 14644840, 16736960, 20502776, 23431744, 25628470, 29289680, 41005552, 51256940, 58579360, 82011104, 102513880, 117158720, 164022208, 205027760, 410055520, 820111040]

約数ペア:

[(1, 820111040), (2, 410055520), (4, 205027760), (5, 164022208), (7, 117158720), (8, 102513880), (10, 82011104), (14, 58579360), (16, 51256940), (20, 41005552), (28, 29289680), (32, 25628470), (35, 23431744), (40, 20502776), (49, 16736960), (56, 14644840), (64, 12814235), (70, 11715872), (80, 10251388), (98, 8368480), (112, 7322420), (140, 5857936), (160, 5125694), (193, 4249280), (196, 4184240), (224, 3661210), (245, 3347392), (271, 3026240), (280, 2928968), (320, 2562847), (386, 2124640), (392, 2092120), (448, 1830605), (490, 1673696), (542, 1513120), (560, 1464484), (772, 1062320), (784, 1046060), (965, 849856), (980, 836848), (1084, 756560), (1120, 732242), (1351, 607040), (1355, 605248), (1544, 531160), (1568, 523030), (1897, 432320), (1930, 424928), (1960, 418424), (2168, 378280), (2240, 366121), (2702, 303520), (2710, 302624), (3088, 265580), (3136, 261515), (3794, 216160), (3860, 212464), (3920, 209212), (4336, 189140), (5404, 151760), (5420, 151312), (6176, 132790), (6755, 121408), (7588, 108080), (7720, 106232), (7840, 104606), (8672, 94570), (9457, 86720), (9485, 86464), (10808, 75880), (10840, 75656), (12352, 66395), (13279, 61760), (13510, 60704), (15176, 54040), (15440, 53116), (15680, 52303), (17344, 47285), (18914, 43360), (18970, 43232), (21616, 37940), (21680, 37828), (26558, 30880), (27020, 30352)]