209311080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{617}}^1$

素因数の和:899

約数の個数: 128

約数和(自身を含む): 688798080

約数和(自身を除く): 479487000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 257, 264, 330, 440, 514, 617, 660, 771, 1028, 1234, 1285, 1320, 1542, 1851, 2056, 2468, 2570, 2827, 3084, 3085, 3702, 3855, 4936, 5140, 5654, 6168, 6170, 6787, 7404, 7710, 8481, 9255, 10280, 11308, 12340, 13574, 14135, 14808, 15420, 16962, 18510, 20361, 22616, 24680, 27148, 28270, 30840, 33924, 33935, 37020, 40722, 42405, 54296, 56540, 67848, 67870, 74040, 81444, 84810, 101805, 113080, 135740, 158569, 162888, 169620, 203610, 271480, 317138, 339240, 407220, 475707, 634276, 792845, 814440, 951414, 1268552, 1585690, 1744259, 1902828, 2378535, 3171380, 3488518, 3805656, 4757070, 5232777, 6342760, 6977036, 8721295, 9514140, 10465554, 13954072, 17442590, 19028280, 20931108, 26163885, 34885180, 41862216, 52327770, 69770360, 104655540, 209311080]

約数ペア:

[(1, 209311080), (2, 104655540), (3, 69770360), (4, 52327770), (5, 41862216), (6, 34885180), (8, 26163885), (10, 20931108), (11, 19028280), (12, 17442590), (15, 13954072), (20, 10465554), (22, 9514140), (24, 8721295), (30, 6977036), (33, 6342760), (40, 5232777), (44, 4757070), (55, 3805656), (60, 3488518), (66, 3171380), (88, 2378535), (110, 1902828), (120, 1744259), (132, 1585690), (165, 1268552), (220, 951414), (257, 814440), (264, 792845), (330, 634276), (440, 475707), (514, 407220), (617, 339240), (660, 317138), (771, 271480), (1028, 203610), (1234, 169620), (1285, 162888), (1320, 158569), (1542, 135740), (1851, 113080), (2056, 101805), (2468, 84810), (2570, 81444), (2827, 74040), (3084, 67870), (3085, 67848), (3702, 56540), (3855, 54296), (4936, 42405), (5140, 40722), (5654, 37020), (6168, 33935), (6170, 33924), (6787, 30840), (7404, 28270), (7710, 27148), (8481, 24680), (9255, 22616), (10280, 20361), (11308, 18510), (12340, 16962), (13574, 15420), (14135, 14808)]