203217840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:748

約数の個数: 240

約数和(自身を含む): 793955136

約数和(自身を除く): 590737296

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 61, 63, 70, 72, 80, 84, 90, 105, 112, 120, 122, 126, 140, 144, 168, 180, 183, 210, 240, 244, 252, 280, 305, 315, 336, 360, 366, 420, 427, 488, 504, 549, 560, 610, 630, 661, 720, 732, 840, 854, 915, 976, 1008, 1098, 1220, 1260, 1281, 1322, 1464, 1680, 1708, 1830, 1983, 2135, 2196, 2440, 2520, 2562, 2644, 2745, 2928, 3305, 3416, 3660, 3843, 3966, 4270, 4392, 4627, 4880, 5040, 5124, 5288, 5490, 5949, 6405, 6610, 6832, 7320, 7686, 7932, 8540, 8784, 9254, 9915, 10248, 10576, 10980, 11898, 12810, 13220, 13881, 14640, 15372, 15864, 17080, 18508, 19215, 19830, 20496, 21960, 23135, 23796, 25620, 26440, 27762, 29745, 30744, 31728, 34160, 37016, 38430, 39660, 40321, 41643, 43920, 46270, 47592, 51240, 52880, 55524, 59490, 61488, 69405, 74032, 76860, 79320, 80642, 83286, 92540, 95184, 102480, 111048, 118980, 120963, 138810, 153720, 158640, 161284, 166572, 185080, 201605, 208215, 222096, 237960, 241926, 277620, 282247, 307440, 322568, 333144, 362889, 370160, 403210, 416430, 475920, 483852, 555240, 564494, 604815, 645136, 666288, 725778, 806420, 832860, 846741, 967704, 1110480, 1128988, 1209630, 1411235, 1451556, 1612840, 1665720, 1693482, 1814445, 1935408, 2257976, 2419260, 2540223, 2822470, 2903112, 3225680, 3331440, 3386964, 3628890, 4233705, 4515952, 4838520, 5080446, 5644940, 5806224, 6773928, 7257780, 8467410, 9677040, 10160892, 11289880, 12701115, 13547856, 14515560, 16934820, 20321784, 22579760, 25402230, 29031120, 33869640, 40643568, 50804460, 67739280, 101608920, 203217840]

約数ペア:

[(1, 203217840), (2, 101608920), (3, 67739280), (4, 50804460), (5, 40643568), (6, 33869640), (7, 29031120), (8, 25402230), (9, 22579760), (10, 20321784), (12, 16934820), (14, 14515560), (15, 13547856), (16, 12701115), (18, 11289880), (20, 10160892), (21, 9677040), (24, 8467410), (28, 7257780), (30, 6773928), (35, 5806224), (36, 5644940), (40, 5080446), (42, 4838520), (45, 4515952), (48, 4233705), (56, 3628890), (60, 3386964), (61, 3331440), (63, 3225680), (70, 2903112), (72, 2822470), (80, 2540223), (84, 2419260), (90, 2257976), (105, 1935408), (112, 1814445), (120, 1693482), (122, 1665720), (126, 1612840), (140, 1451556), (144, 1411235), (168, 1209630), (180, 1128988), (183, 1110480), (210, 967704), (240, 846741), (244, 832860), (252, 806420), (280, 725778), (305, 666288), (315, 645136), (336, 604815), (360, 564494), (366, 555240), (420, 483852), (427, 475920), (488, 416430), (504, 403210), (549, 370160), (560, 362889), (610, 333144), (630, 322568), (661, 307440), (720, 282247), (732, 277620), (840, 241926), (854, 237960), (915, 222096), (976, 208215), (1008, 201605), (1098, 185080), (1220, 166572), (1260, 161284), (1281, 158640), (1322, 153720), (1464, 138810), (1680, 120963), (1708, 118980), (1830, 111048), (1983, 102480), (2135, 95184), (2196, 92540), (2440, 83286), (2520, 80642), (2562, 79320), (2644, 76860), (2745, 74032), (2928, 69405), (3305, 61488), (3416, 59490), (3660, 55524), (3843, 52880), (3966, 51240), (4270, 47592), (4392, 46270), (4627, 43920), (4880, 41643), (5040, 40321), (5124, 39660), (5288, 38430), (5490, 37016), (5949, 34160), (6405, 31728), (6610, 30744), (6832, 29745), (7320, 27762), (7686, 26440), (7932, 25620), (8540, 23796), (8784, 23135), (9254, 21960), (9915, 20496), (10248, 19830), (10576, 19215), (10980, 18508), (11898, 17080), (12810, 15864), (13220, 15372), (13881, 14640)]