199171560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1867}}^1$

素因数の和:2015

約数の個数: 128

約数和(自身を含む): 688619520

約数和(自身を除く): 489447960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 127, 140, 168, 210, 254, 280, 381, 420, 508, 635, 762, 840, 889, 1016, 1270, 1524, 1778, 1867, 1905, 2540, 2667, 3048, 3556, 3734, 3810, 4445, 5080, 5334, 5601, 7112, 7468, 7620, 8890, 9335, 10668, 11202, 13069, 13335, 14936, 15240, 17780, 18670, 21336, 22404, 26138, 26670, 28005, 35560, 37340, 39207, 44808, 52276, 53340, 56010, 65345, 74680, 78414, 104552, 106680, 112020, 130690, 156828, 196035, 224040, 237109, 261380, 313656, 392070, 474218, 522760, 711327, 784140, 948436, 1185545, 1422654, 1568280, 1659763, 1896872, 2371090, 2845308, 3319526, 3556635, 4742180, 4979289, 5690616, 6639052, 7113270, 8298815, 9484360, 9958578, 13278104, 14226540, 16597630, 19917156, 24896445, 28453080, 33195260, 39834312, 49792890, 66390520, 99585780, 199171560]

約数ペア:

[(1, 199171560), (2, 99585780), (3, 66390520), (4, 49792890), (5, 39834312), (6, 33195260), (7, 28453080), (8, 24896445), (10, 19917156), (12, 16597630), (14, 14226540), (15, 13278104), (20, 9958578), (21, 9484360), (24, 8298815), (28, 7113270), (30, 6639052), (35, 5690616), (40, 4979289), (42, 4742180), (56, 3556635), (60, 3319526), (70, 2845308), (84, 2371090), (105, 1896872), (120, 1659763), (127, 1568280), (140, 1422654), (168, 1185545), (210, 948436), (254, 784140), (280, 711327), (381, 522760), (420, 474218), (508, 392070), (635, 313656), (762, 261380), (840, 237109), (889, 224040), (1016, 196035), (1270, 156828), (1524, 130690), (1778, 112020), (1867, 106680), (1905, 104552), (2540, 78414), (2667, 74680), (3048, 65345), (3556, 56010), (3734, 53340), (3810, 52276), (4445, 44808), (5080, 39207), (5334, 37340), (5601, 35560), (7112, 28005), (7468, 26670), (7620, 26138), (8890, 22404), (9335, 21336), (10668, 18670), (11202, 17780), (13069, 15240), (13335, 14936)]