20931437520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{661}}^1$

素因数の和:851

約数の個数: 480

約数和(自身を含む): 82571334144

約数和(自身を除く): 61639896624

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, 103, 105, 112, 120, 122, 126, 140, 144, 168, 180, 183, 206, 210, 240, 244, 252, 280, 305, 309, 315, 336, 360, 366, 412, 420, 427, 488, 504, 515, 549, 560, 610, 618, 630, 661, 720, 721, 732, 824, 840, 854, 915, 927, 976, 1008, 1030, 1098, 1220, 1236, 1260, 1281, 1322, 1442, 1464, 1545, 1648, 1680, 1708, 1830, 1854, 1983, 2060, 2135, 2163, 2196, 2440, 2472, 2520, 2562, 2644, 2745, 2884, 2928, 3090, 3305, 3416, 3605, 3660, 3708, 3843, 3966, 4120, 4270, 4326, 4392, 4627, 4635, 4880, 4944, 5040, 5124, 5288, 5490, 5768, 5949, 6180, 6283, 6405, 6489, 6610, 6832, 7210, 7320, 7416, 7686, 7932, 8240, 8540, 8652, 8784, 9254, 9270, 9915, 10248, 10576, 10815, 10980, 11536, 11898, 12360, 12566, 12810, 12978, 13220, 13881, 14420, 14640, 14832, 15372, 15864, 17080, 17304, 18508, 18540, 18849, 19215, 19830, 20496, 21630, 21960, 23135, 23796, 24720, 25132, 25620, 25956, 26440, 27762, 28840, 29745, 30744, 31415, 31728, 32445, 34160, 34608, 37016, 37080, 37698, 38430, 39660, 40321, 41643, 43260, 43920, 43981, 46270, 47592, 50264, 51240, 51912, 52880, 55524, 56547, 57680, 59490, 61488, 62830, 64890, 68083, 69405, 74032, 74160, 75396, 76860, 79320, 80642, 83286, 86520, 87962, 92540, 94245, 95184, 100528, 102480, 103824, 111048, 113094, 118980, 120963, 125660, 129780, 131943, 136166, 138810, 150792, 153720, 158640, 161284, 166572, 173040, 175924, 185080, 188490, 201605, 204249, 208215, 219905, 222096, 226188, 237960, 241926, 251320, 259560, 263886, 272332, 277620, 282247, 282735, 301584, 307440, 322568, 333144, 340415, 351848, 362889, 370160, 376980, 395829, 403210, 408498, 416430, 439810, 452376, 475920, 476581, 483852, 502640, 519120, 527772, 544664, 555240, 564494, 565470, 604815, 612747, 645136, 659715, 666288, 680830, 703696, 725778, 753960, 791658, 806420, 816996, 832860, 846741, 879620, 904752, 953162, 967704, 1021245, 1055544, 1089328, 1110480, 1128988, 1130940, 1209630, 1225494, 1319430, 1361660, 1411235, 1429743, 1451556, 1507920, 1583316, 1612840, 1633992, 1665720, 1693482, 1759240, 1814445, 1906324, 1935408, 1979145, 2042490, 2111088, 2257976, 2261880, 2382905, 2419260, 2450988, 2540223, 2638860, 2723320, 2822470, 2859486, 2903112, 3063735, 3166632, 3225680, 3267984, 3331440, 3386964, 3518480, 3628890, 3812648, 3958290, 4084980, 4153063, 4233705, 4289229, 4515952, 4523760, 4765810, 4838520, 4901976, 5080446, 5277720, 5446640, 5644940, 5718972, 5806224, 6127470, 6333264, 6773928, 7148715, 7257780, 7625296, 7916580, 8169960, 8306126, 8467410, 8578458, 9531620, 9677040, 9803952, 10160892, 10555440, 11289880, 11437944, 12254940, 12459189, 12701115, 13547856, 14297430, 14515560, 15833160, 16339920, 16612252, 16934820, 17156916, 19063240, 20321784, 20765315, 21446145, 22579760, 22875888, 24509880, 24918378, 25402230, 28594860, 29031120, 29071441, 31666320, 33224504, 33869640, 34313832, 37377567, 38126480, 40643568, 41530630, 42892290, 49019760, 49836756, 50804460, 57189720, 58142882, 62295945, 66449008, 67739280, 68627664, 74755134, 83061260, 85784580, 87214323, 99673512, 101608920, 114379440, 116285764, 124591890, 145357205, 149510268, 166122520, 171569160, 174428646, 186887835, 199347024, 203217840, 232571528, 249183780, 261642969, 290714410, 299020536, 332245040, 343138320, 348857292, 373775670, 436071615, 465143056, 498367560, 523285938, 581428820, 598041072, 697714584, 747551340, 872143230, 996735120, 1046571876, 1162857640, 1308214845, 1395429168, 1495102680, 1744286460, 2093143752, 2325715280, 2616429690, 2990205360, 3488572920, 4186287504, 5232859380, 6977145840, 10465718760, 20931437520]

約数ペア:

[(1, 20931437520), (2, 10465718760), (3, 6977145840), (4, 5232859380), (5, 4186287504), (6, 3488572920), (7, 2990205360), (8, 2616429690), (9, 2325715280), (10, 2093143752), (12, 1744286460), (14, 1495102680), (15, 1395429168), (16, 1308214845), (18, 1162857640), (20, 1046571876), (21, 996735120), (24, 872143230), (28, 747551340), (30, 697714584), (35, 598041072), (36, 581428820), (40, 523285938), (42, 498367560), (45, 465143056), (48, 436071615), (56, 373775670), (60, 348857292), (61, 343138320), (63, 332245040), (70, 299020536), (72, 290714410), (80, 261642969), (84, 249183780), (90, 232571528), (103, 203217840), (105, 199347024), (112, 186887835), (120, 174428646), (122, 171569160), (126, 166122520), (140, 149510268), (144, 145357205), (168, 124591890), (180, 116285764), (183, 114379440), (206, 101608920), (210, 99673512), (240, 87214323), (244, 85784580), (252, 83061260), (280, 74755134), (305, 68627664), (309, 67739280), (315, 66449008), (336, 62295945), (360, 58142882), (366, 57189720), (412, 50804460), (420, 49836756), (427, 49019760), (488, 42892290), (504, 41530630), (515, 40643568), (549, 38126480), (560, 37377567), (610, 34313832), (618, 33869640), (630, 33224504), (661, 31666320), (720, 29071441), (721, 29031120), (732, 28594860), (824, 25402230), (840, 24918378), (854, 24509880), (915, 22875888), (927, 22579760), (976, 21446145), (1008, 20765315), (1030, 20321784), (1098, 19063240), (1220, 17156916), (1236, 16934820), (1260, 16612252), (1281, 16339920), (1322, 15833160), (1442, 14515560), (1464, 14297430), (1545, 13547856), (1648, 12701115), (1680, 12459189), (1708, 12254940), (1830, 11437944), (1854, 11289880), (1983, 10555440), (2060, 10160892), (2135, 9803952), (2163, 9677040), (2196, 9531620), (2440, 8578458), (2472, 8467410), (2520, 8306126), (2562, 8169960), (2644, 7916580), (2745, 7625296), (2884, 7257780), (2928, 7148715), (3090, 6773928), (3305, 6333264), (3416, 6127470), (3605, 5806224), (3660, 5718972), (3708, 5644940), (3843, 5446640), (3966, 5277720), (4120, 5080446), (4270, 4901976), (4326, 4838520), (4392, 4765810), (4627, 4523760), (4635, 4515952), (4880, 4289229), (4944, 4233705), (5040, 4153063), (5124, 4084980), (5288, 3958290), (5490, 3812648), (5768, 3628890), (5949, 3518480), (6180, 3386964), (6283, 3331440), (6405, 3267984), (6489, 3225680), (6610, 3166632), (6832, 3063735), (7210, 2903112), (7320, 2859486), (7416, 2822470), (7686, 2723320), (7932, 2638860), (8240, 2540223), (8540, 2450988), (8652, 2419260), (8784, 2382905), (9254, 2261880), (9270, 2257976), (9915, 2111088), (10248, 2042490), (10576, 1979145), (10815, 1935408), (10980, 1906324), (11536, 1814445), (11898, 1759240), (12360, 1693482), (12566, 1665720), (12810, 1633992), (12978, 1612840), (13220, 1583316), (13881, 1507920), (14420, 1451556), (14640, 1429743), (14832, 1411235), (15372, 1361660), (15864, 1319430), (17080, 1225494), (17304, 1209630), (18508, 1130940), (18540, 1128988), (18849, 1110480), (19215, 1089328), (19830, 1055544), (20496, 1021245), (21630, 967704), (21960, 953162), (23135, 904752), (23796, 879620), (24720, 846741), (25132, 832860), (25620, 816996), (25956, 806420), (26440, 791658), (27762, 753960), (28840, 725778), (29745, 703696), (30744, 680830), (31415, 666288), (31728, 659715), (32445, 645136), (34160, 612747), (34608, 604815), (37016, 565470), (37080, 564494), (37698, 555240), (38430, 544664), (39660, 527772), (40321, 519120), (41643, 502640), (43260, 483852), (43920, 476581), (43981, 475920), (46270, 452376), (47592, 439810), (50264, 416430), (51240, 408498), (51912, 403210), (52880, 395829), (55524, 376980), (56547, 370160), (57680, 362889), (59490, 351848), (61488, 340415), (62830, 333144), (64890, 322568), (68083, 307440), (69405, 301584), (74032, 282735), (74160, 282247), (75396, 277620), (76860, 272332), (79320, 263886), (80642, 259560), (83286, 251320), (86520, 241926), (87962, 237960), (92540, 226188), (94245, 222096), (95184, 219905), (100528, 208215), (102480, 204249), (103824, 201605), (111048, 188490), (113094, 185080), (118980, 175924), (120963, 173040), (125660, 166572), (129780, 161284), (131943, 158640), (136166, 153720), (138810, 150792)]