28560840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{281}}^1$

素因数の和:324

約数の個数: 192

約数和(自身を含む): 108017280

約数和(自身を除く): 79456440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 121, 132, 140, 154, 165, 168, 210, 220, 231, 242, 264, 280, 281, 308, 330, 363, 385, 420, 440, 462, 484, 562, 605, 616, 660, 726, 770, 840, 843, 847, 924, 968, 1124, 1155, 1210, 1320, 1405, 1452, 1540, 1686, 1694, 1815, 1848, 1967, 2248, 2310, 2420, 2541, 2810, 2904, 3080, 3091, 3372, 3388, 3630, 3934, 4215, 4235, 4620, 4840, 5082, 5620, 5901, 6182, 6744, 6776, 7260, 7868, 8430, 8470, 9240, 9273, 9835, 10164, 11240, 11802, 12364, 12705, 14520, 15455, 15736, 16860, 16940, 18546, 19670, 20328, 21637, 23604, 24728, 25410, 29505, 30910, 33720, 33880, 34001, 37092, 39340, 43274, 46365, 47208, 50820, 59010, 61820, 64911, 68002, 74184, 78680, 86548, 92730, 101640, 102003, 108185, 118020, 123640, 129822, 136004, 170005, 173096, 185460, 204006, 216370, 236040, 238007, 259644, 272008, 324555, 340010, 370920, 408012, 432740, 476014, 510015, 519288, 649110, 680020, 714021, 816024, 865480, 952028, 1020030, 1190035, 1298220, 1360040, 1428042, 1904056, 2040060, 2380070, 2596440, 2856084, 3570105, 4080120, 4760140, 5712168, 7140210, 9520280, 14280420, 28560840]

約数ペア:

[(1, 28560840), (2, 14280420), (3, 9520280), (4, 7140210), (5, 5712168), (6, 4760140), (7, 4080120), (8, 3570105), (10, 2856084), (11, 2596440), (12, 2380070), (14, 2040060), (15, 1904056), (20, 1428042), (21, 1360040), (22, 1298220), (24, 1190035), (28, 1020030), (30, 952028), (33, 865480), (35, 816024), (40, 714021), (42, 680020), (44, 649110), (55, 519288), (56, 510015), (60, 476014), (66, 432740), (70, 408012), (77, 370920), (84, 340010), (88, 324555), (105, 272008), (110, 259644), (120, 238007), (121, 236040), (132, 216370), (140, 204006), (154, 185460), (165, 173096), (168, 170005), (210, 136004), (220, 129822), (231, 123640), (242, 118020), (264, 108185), (280, 102003), (281, 101640), (308, 92730), (330, 86548), (363, 78680), (385, 74184), (420, 68002), (440, 64911), (462, 61820), (484, 59010), (562, 50820), (605, 47208), (616, 46365), (660, 43274), (726, 39340), (770, 37092), (840, 34001), (843, 33880), (847, 33720), (924, 30910), (968, 29505), (1124, 25410), (1155, 24728), (1210, 23604), (1320, 21637), (1405, 20328), (1452, 19670), (1540, 18546), (1686, 16940), (1694, 16860), (1815, 15736), (1848, 15455), (1967, 14520), (2248, 12705), (2310, 12364), (2420, 11802), (2541, 11240), (2810, 10164), (2904, 9835), (3080, 9273), (3091, 9240), (3372, 8470), (3388, 8430), (3630, 7868), (3934, 7260), (4215, 6776), (4235, 6744), (4620, 6182), (4840, 5901), (5082, 5620)]