21979913760

素因数分解:

$2^5\times 3^5\times 5^1\times 7^1\times {\mathrm{80761}}^1$

素因数の和:80798

約数の個数: 288

約数和(自身を含む): 88897640832

約数和(自身を除く): 66917727072

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 243, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 486, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 972, 1008, 1080, 1120, 1134, 1215, 1260, 1296, 1440, 1512, 1620, 1680, 1701, 1890, 1944, 2016, 2160, 2268, 2430, 2520, 2592, 2835, 3024, 3240, 3360, 3402, 3780, 3888, 4320, 4536, 4860, 5040, 5670, 6048, 6480, 6804, 7560, 7776, 8505, 9072, 9720, 10080, 11340, 12960, 13608, 15120, 17010, 18144, 19440, 22680, 27216, 30240, 34020, 38880, 45360, 54432, 68040, 80761, 90720, 136080, 161522, 242283, 272160, 323044, 403805, 484566, 565327, 646088, 726849, 807610, 969132, 1130654, 1211415, 1292176, 1453698, 1615220, 1695981, 1938264, 2180547, 2261308, 2422830, 2584352, 2826635, 2907396, 3230440, 3391962, 3634245, 3876528, 4361094, 4522616, 4845660, 5087943, 5653270, 5814792, 6460880, 6541641, 6783924, 7268490, 7753056, 8479905, 8722188, 9045232, 9691320, 10175886, 10902735, 11306540, 11629584, 12921760, 13083282, 13567848, 14536980, 15263829, 16959810, 17444376, 18090464, 19382640, 19624923, 20351772, 21805470, 22613080, 23259168, 25439715, 26166564, 27135696, 29073960, 30527658, 32708205, 33919620, 34888752, 38765280, 39249846, 40703544, 43610940, 45226160, 45791487, 50879430, 52333128, 54271392, 58147920, 61055316, 65416410, 67839240, 69777504, 76319145, 78499692, 81407088, 87221880, 90452320, 91582974, 98124615, 101758860, 104666256, 116295840, 122110632, 130832820, 135678480, 137374461, 152638290, 156999384, 162814176, 174443760, 183165948, 196249230, 203517720, 209332512, 228957435, 244221264, 261665640, 271356960, 274748922, 305276580, 313998768, 348887520, 366331896, 392498460, 407035440, 457914870, 488442528, 523331280, 549497844, 610553160, 627997536, 686872305, 732663792, 784996920, 814070880, 915829740, 1046662560, 1098995688, 1221106320, 1373744610, 1465327584, 1569993840, 1831659480, 2197991376, 2442212640, 2747489220, 3139987680, 3663318960, 4395982752, 5494978440, 7326637920, 10989956880, 21979913760]

約数ペア:

[(1, 21979913760), (2, 10989956880), (3, 7326637920), (4, 5494978440), (5, 4395982752), (6, 3663318960), (7, 3139987680), (8, 2747489220), (9, 2442212640), (10, 2197991376), (12, 1831659480), (14, 1569993840), (15, 1465327584), (16, 1373744610), (18, 1221106320), (20, 1098995688), (21, 1046662560), (24, 915829740), (27, 814070880), (28, 784996920), (30, 732663792), (32, 686872305), (35, 627997536), (36, 610553160), (40, 549497844), (42, 523331280), (45, 488442528), (48, 457914870), (54, 407035440), (56, 392498460), (60, 366331896), (63, 348887520), (70, 313998768), (72, 305276580), (80, 274748922), (81, 271356960), (84, 261665640), (90, 244221264), (96, 228957435), (105, 209332512), (108, 203517720), (112, 196249230), (120, 183165948), (126, 174443760), (135, 162814176), (140, 156999384), (144, 152638290), (160, 137374461), (162, 135678480), (168, 130832820), (180, 122110632), (189, 116295840), (210, 104666256), (216, 101758860), (224, 98124615), (240, 91582974), (243, 90452320), (252, 87221880), (270, 81407088), (280, 78499692), (288, 76319145), (315, 69777504), (324, 67839240), (336, 65416410), (360, 61055316), (378, 58147920), (405, 54271392), (420, 52333128), (432, 50879430), (480, 45791487), (486, 45226160), (504, 43610940), (540, 40703544), (560, 39249846), (567, 38765280), (630, 34888752), (648, 33919620), (672, 32708205), (720, 30527658), (756, 29073960), (810, 27135696), (840, 26166564), (864, 25439715), (945, 23259168), (972, 22613080), (1008, 21805470), (1080, 20351772), (1120, 19624923), (1134, 19382640), (1215, 18090464), (1260, 17444376), (1296, 16959810), (1440, 15263829), (1512, 14536980), (1620, 13567848), (1680, 13083282), (1701, 12921760), (1890, 11629584), (1944, 11306540), (2016, 10902735), (2160, 10175886), (2268, 9691320), (2430, 9045232), (2520, 8722188), (2592, 8479905), (2835, 7753056), (3024, 7268490), (3240, 6783924), (3360, 6541641), (3402, 6460880), (3780, 5814792), (3888, 5653270), (4320, 5087943), (4536, 4845660), (4860, 4522616), (5040, 4361094), (5670, 3876528), (6048, 3634245), (6480, 3391962), (6804, 3230440), (7560, 2907396), (7776, 2826635), (8505, 2584352), (9072, 2422830), (9720, 2261308), (10080, 2180547), (11340, 1938264), (12960, 1695981), (13608, 1615220), (15120, 1453698), (17010, 1292176), (18144, 1211415), (19440, 1130654), (22680, 969132), (27216, 807610), (30240, 726849), (34020, 646088), (38880, 565327), (45360, 484566), (54432, 403805), (68040, 323044), (80761, 272160), (90720, 242283), (136080, 161522)]