171229520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^2$

素因数の和:87

約数の個数: 270

約数和(自身を含む): 537235146

約数和(自身を除く): 366005626

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 35, 38, 40, 44, 49, 55, 56, 70, 76, 77, 80, 88, 95, 98, 110, 112, 121, 133, 140, 152, 154, 176, 190, 196, 209, 220, 242, 245, 266, 280, 304, 308, 361, 380, 385, 392, 418, 440, 484, 490, 532, 539, 560, 605, 616, 665, 722, 760, 770, 784, 836, 847, 880, 931, 968, 980, 1045, 1064, 1078, 1210, 1232, 1330, 1444, 1463, 1520, 1540, 1672, 1694, 1805, 1862, 1936, 1960, 2090, 2128, 2156, 2299, 2420, 2527, 2660, 2695, 2888, 2926, 3080, 3344, 3388, 3610, 3724, 3920, 3971, 4180, 4235, 4312, 4598, 4655, 4840, 5054, 5320, 5390, 5776, 5852, 5929, 6160, 6776, 7220, 7315, 7448, 7942, 8360, 8470, 8624, 9196, 9310, 9680, 10108, 10241, 10640, 10780, 11495, 11704, 11858, 12635, 13552, 14440, 14630, 14896, 15884, 16093, 16720, 16940, 17689, 18392, 18620, 19855, 20216, 20482, 21560, 22990, 23408, 23716, 25270, 27797, 28880, 29260, 29645, 31768, 32186, 33880, 35378, 36784, 37240, 39710, 40432, 40964, 43120, 43681, 45980, 47432, 50540, 51205, 55594, 58520, 59290, 63536, 64372, 67760, 70756, 74480, 79420, 80465, 81928, 87362, 88445, 91960, 94864, 101080, 102410, 111188, 112651, 117040, 118580, 128744, 138985, 141512, 158840, 160930, 163856, 174724, 176890, 183920, 194579, 202160, 204820, 218405, 222376, 225302, 237160, 257488, 277970, 283024, 305767, 317680, 321860, 349448, 353780, 389158, 409640, 436810, 444752, 450604, 474320, 555940, 563255, 611534, 643720, 698896, 707560, 778316, 819280, 873620, 901208, 972895, 1111880, 1126510, 1223068, 1287440, 1415120, 1528835, 1556632, 1747240, 1802416, 1945790, 2140369, 2223760, 2253020, 2446136, 3057670, 3113264, 3494480, 3891580, 4280738, 4506040, 4892272, 6115340, 7783160, 8561476, 9012080, 10701845, 12230680, 15566320, 17122952, 21403690, 24461360, 34245904, 42807380, 85614760, 171229520]

約数ペア:

[(1, 171229520), (2, 85614760), (4, 42807380), (5, 34245904), (7, 24461360), (8, 21403690), (10, 17122952), (11, 15566320), (14, 12230680), (16, 10701845), (19, 9012080), (20, 8561476), (22, 7783160), (28, 6115340), (35, 4892272), (38, 4506040), (40, 4280738), (44, 3891580), (49, 3494480), (55, 3113264), (56, 3057670), (70, 2446136), (76, 2253020), (77, 2223760), (80, 2140369), (88, 1945790), (95, 1802416), (98, 1747240), (110, 1556632), (112, 1528835), (121, 1415120), (133, 1287440), (140, 1223068), (152, 1126510), (154, 1111880), (176, 972895), (190, 901208), (196, 873620), (209, 819280), (220, 778316), (242, 707560), (245, 698896), (266, 643720), (280, 611534), (304, 563255), (308, 555940), (361, 474320), (380, 450604), (385, 444752), (392, 436810), (418, 409640), (440, 389158), (484, 353780), (490, 349448), (532, 321860), (539, 317680), (560, 305767), (605, 283024), (616, 277970), (665, 257488), (722, 237160), (760, 225302), (770, 222376), (784, 218405), (836, 204820), (847, 202160), (880, 194579), (931, 183920), (968, 176890), (980, 174724), (1045, 163856), (1064, 160930), (1078, 158840), (1210, 141512), (1232, 138985), (1330, 128744), (1444, 118580), (1463, 117040), (1520, 112651), (1540, 111188), (1672, 102410), (1694, 101080), (1805, 94864), (1862, 91960), (1936, 88445), (1960, 87362), (2090, 81928), (2128, 80465), (2156, 79420), (2299, 74480), (2420, 70756), (2527, 67760), (2660, 64372), (2695, 63536), (2888, 59290), (2926, 58520), (3080, 55594), (3344, 51205), (3388, 50540), (3610, 47432), (3724, 45980), (3920, 43681), (3971, 43120), (4180, 40964), (4235, 40432), (4312, 39710), (4598, 37240), (4655, 36784), (4840, 35378), (5054, 33880), (5320, 32186), (5390, 31768), (5776, 29645), (5852, 29260), (5929, 28880), (6160, 27797), (6776, 25270), (7220, 23716), (7315, 23408), (7448, 22990), (7942, 21560), (8360, 20482), (8470, 20216), (8624, 19855), (9196, 18620), (9310, 18392), (9680, 17689), (10108, 16940), (10241, 16720), (10640, 16093), (10780, 15884), (11495, 14896), (11704, 14630), (11858, 14440), (12635, 13552)]