205996560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:262

約数の個数: 320

約数和(自身を含む): 812519424

約数和(自身を除く): 606522864

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 71, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 142, 154, 157, 165, 168, 176, 210, 213, 220, 231, 240, 264, 280, 284, 308, 314, 330, 336, 355, 385, 420, 426, 440, 462, 471, 497, 528, 560, 568, 616, 628, 660, 710, 770, 781, 785, 840, 852, 880, 924, 942, 994, 1065, 1099, 1136, 1155, 1232, 1256, 1320, 1420, 1491, 1540, 1562, 1570, 1680, 1704, 1727, 1848, 1884, 1988, 2130, 2198, 2310, 2343, 2355, 2485, 2512, 2640, 2840, 2982, 3080, 3124, 3140, 3297, 3408, 3454, 3696, 3768, 3905, 3976, 4260, 4396, 4620, 4686, 4710, 4970, 5181, 5467, 5495, 5680, 5964, 6160, 6248, 6280, 6594, 6908, 7455, 7536, 7810, 7952, 8520, 8635, 8792, 9240, 9372, 9420, 9940, 10362, 10934, 10990, 11147, 11715, 11928, 12089, 12496, 12560, 13188, 13816, 14910, 15620, 16401, 16485, 17040, 17270, 17584, 18480, 18744, 18840, 19880, 20724, 21868, 21980, 22294, 23430, 23856, 24178, 25905, 26376, 27335, 27632, 29820, 31240, 32802, 32970, 33441, 34540, 36267, 37488, 37680, 39760, 41448, 43736, 43960, 44588, 46860, 48356, 51810, 52752, 54670, 55735, 59640, 60445, 62480, 65604, 65940, 66882, 69080, 72534, 78029, 82005, 82896, 87472, 87920, 89176, 93720, 96712, 103620, 109340, 111470, 119280, 120890, 122617, 131208, 131880, 133764, 138160, 145068, 156058, 164010, 167205, 178352, 181335, 187440, 193424, 207240, 218680, 222940, 234087, 241780, 245234, 262416, 263760, 267528, 290136, 312116, 328020, 334410, 362670, 367851, 390145, 414480, 437360, 445880, 468174, 483560, 490468, 535056, 580272, 613085, 624232, 656040, 668820, 725340, 735702, 780290, 858319, 891760, 936348, 967120, 980936, 1170435, 1226170, 1248464, 1312080, 1337640, 1450680, 1471404, 1560580, 1716638, 1839255, 1872696, 1961872, 2340870, 2452340, 2574957, 2675280, 2901360, 2942808, 3121160, 3433276, 3678510, 3745392, 4291595, 4681740, 4904680, 5149914, 5885616, 6242320, 6866552, 7357020, 8583190, 9363480, 9809360, 10299828, 12874785, 13733104, 14714040, 17166380, 18726960, 20599656, 25749570, 29428080, 34332760, 41199312, 51499140, 68665520, 102998280, 205996560]

約数ペア:

[(1, 205996560), (2, 102998280), (3, 68665520), (4, 51499140), (5, 41199312), (6, 34332760), (7, 29428080), (8, 25749570), (10, 20599656), (11, 18726960), (12, 17166380), (14, 14714040), (15, 13733104), (16, 12874785), (20, 10299828), (21, 9809360), (22, 9363480), (24, 8583190), (28, 7357020), (30, 6866552), (33, 6242320), (35, 5885616), (40, 5149914), (42, 4904680), (44, 4681740), (48, 4291595), (55, 3745392), (56, 3678510), (60, 3433276), (66, 3121160), (70, 2942808), (71, 2901360), (77, 2675280), (80, 2574957), (84, 2452340), (88, 2340870), (105, 1961872), (110, 1872696), (112, 1839255), (120, 1716638), (132, 1560580), (140, 1471404), (142, 1450680), (154, 1337640), (157, 1312080), (165, 1248464), (168, 1226170), (176, 1170435), (210, 980936), (213, 967120), (220, 936348), (231, 891760), (240, 858319), (264, 780290), (280, 735702), (284, 725340), (308, 668820), (314, 656040), (330, 624232), (336, 613085), (355, 580272), (385, 535056), (420, 490468), (426, 483560), (440, 468174), (462, 445880), (471, 437360), (497, 414480), (528, 390145), (560, 367851), (568, 362670), (616, 334410), (628, 328020), (660, 312116), (710, 290136), (770, 267528), (781, 263760), (785, 262416), (840, 245234), (852, 241780), (880, 234087), (924, 222940), (942, 218680), (994, 207240), (1065, 193424), (1099, 187440), (1136, 181335), (1155, 178352), (1232, 167205), (1256, 164010), (1320, 156058), (1420, 145068), (1491, 138160), (1540, 133764), (1562, 131880), (1570, 131208), (1680, 122617), (1704, 120890), (1727, 119280), (1848, 111470), (1884, 109340), (1988, 103620), (2130, 96712), (2198, 93720), (2310, 89176), (2343, 87920), (2355, 87472), (2485, 82896), (2512, 82005), (2640, 78029), (2840, 72534), (2982, 69080), (3080, 66882), (3124, 65940), (3140, 65604), (3297, 62480), (3408, 60445), (3454, 59640), (3696, 55735), (3768, 54670), (3905, 52752), (3976, 51810), (4260, 48356), (4396, 46860), (4620, 44588), (4686, 43960), (4710, 43736), (4970, 41448), (5181, 39760), (5467, 37680), (5495, 37488), (5680, 36267), (5964, 34540), (6160, 33441), (6248, 32970), (6280, 32802), (6594, 31240), (6908, 29820), (7455, 27632), (7536, 27335), (7810, 26376), (7952, 25905), (8520, 24178), (8635, 23856), (8792, 23430), (9240, 22294), (9372, 21980), (9420, 21868), (9940, 20724), (10362, 19880), (10934, 18840), (10990, 18744), (11147, 18480), (11715, 17584), (11928, 17270), (12089, 17040), (12496, 16485), (12560, 16401), (13188, 15620), (13816, 14910)]