21409449120

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{7879}}^1$

素因数の和:7957

約数の個数: 384

約数和(自身を含む): 81495590400

約数和(自身を除く): 60086141280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 37, 40, 45, 48, 51, 54, 60, 68, 72, 74, 80, 85, 90, 96, 102, 108, 111, 120, 135, 136, 144, 148, 153, 160, 170, 180, 185, 204, 216, 222, 240, 255, 270, 272, 288, 296, 306, 333, 340, 360, 370, 408, 432, 444, 459, 480, 510, 540, 544, 555, 592, 612, 629, 666, 680, 720, 740, 765, 816, 864, 888, 918, 999, 1020, 1080, 1110, 1184, 1224, 1258, 1332, 1360, 1440, 1480, 1530, 1632, 1665, 1776, 1836, 1887, 1998, 2040, 2160, 2220, 2295, 2448, 2516, 2664, 2720, 2960, 3060, 3145, 3330, 3552, 3672, 3774, 3996, 4080, 4320, 4440, 4590, 4896, 4995, 5032, 5328, 5661, 5920, 6120, 6290, 6660, 7344, 7548, 7879, 7992, 8160, 8880, 9180, 9435, 9990, 10064, 10656, 11322, 12240, 12580, 13320, 14688, 15096, 15758, 15984, 16983, 17760, 18360, 18870, 19980, 20128, 22644, 23637, 24480, 25160, 26640, 28305, 30192, 31516, 31968, 33966, 36720, 37740, 39395, 39960, 45288, 47274, 50320, 53280, 56610, 60384, 63032, 67932, 70911, 73440, 75480, 78790, 79920, 84915, 90576, 94548, 100640, 113220, 118185, 126064, 133943, 135864, 141822, 150960, 157580, 159840, 169830, 181152, 189096, 212733, 226440, 236370, 252128, 267886, 271728, 283644, 291523, 301920, 315160, 339660, 354555, 378192, 401829, 425466, 452880, 472740, 535772, 543456, 567288, 583046, 630320, 669715, 679320, 709110, 756384, 803658, 850932, 874569, 905760, 945480, 1063665, 1071544, 1134576, 1166092, 1205487, 1260640, 1339430, 1358640, 1418220, 1457615, 1607316, 1701864, 1749138, 1890960, 2009145, 2127330, 2143088, 2269152, 2332184, 2410974, 2623707, 2678860, 2717280, 2836440, 2915230, 3214632, 3403728, 3498276, 3616461, 3781920, 4018290, 4254660, 4286176, 4372845, 4664368, 4821948, 4955891, 5247414, 5357720, 5672880, 5830460, 6027435, 6429264, 6807456, 6996552, 7232922, 7871121, 8036580, 8509320, 8745690, 9328736, 9643896, 9911782, 10494828, 10715440, 11345760, 11660920, 12054870, 12858528, 13118535, 13993104, 14465844, 14867673, 15742242, 16073160, 17018640, 17491380, 18082305, 19287792, 19823564, 20989656, 21430880, 23321840, 24109740, 24779455, 26237070, 27986208, 28931688, 29735346, 31484484, 32146320, 34037280, 34982760, 36164610, 38575584, 39355605, 39647128, 41979312, 44603019, 46643680, 48219480, 49558910, 52474140, 57863376, 59470692, 62968968, 64292640, 69965520, 72329220, 74338365, 78711210, 79294256, 83958624, 89206038, 96438960, 99117820, 104948280, 115726752, 118941384, 125937936, 133809057, 139931040, 144658440, 148676730, 157422420, 158588512, 178412076, 192877920, 198235640, 209896560, 223015095, 237882768, 251875872, 267618114, 289316880, 297353460, 314844840, 356824152, 396471280, 419793120, 446030190, 475765536, 535236228, 578633760, 594706920, 629689680, 669045285, 713648304, 792942560, 892060380, 1070472456, 1189413840, 1259379360, 1338090570, 1427296608, 1784120760, 2140944912, 2378827680, 2676181140, 3568241520, 4281889824, 5352362280, 7136483040, 10704724560, 21409449120]

約数ペア:

[(1, 21409449120), (2, 10704724560), (3, 7136483040), (4, 5352362280), (5, 4281889824), (6, 3568241520), (8, 2676181140), (9, 2378827680), (10, 2140944912), (12, 1784120760), (15, 1427296608), (16, 1338090570), (17, 1259379360), (18, 1189413840), (20, 1070472456), (24, 892060380), (27, 792942560), (30, 713648304), (32, 669045285), (34, 629689680), (36, 594706920), (37, 578633760), (40, 535236228), (45, 475765536), (48, 446030190), (51, 419793120), (54, 396471280), (60, 356824152), (68, 314844840), (72, 297353460), (74, 289316880), (80, 267618114), (85, 251875872), (90, 237882768), (96, 223015095), (102, 209896560), (108, 198235640), (111, 192877920), (120, 178412076), (135, 158588512), (136, 157422420), (144, 148676730), (148, 144658440), (153, 139931040), (160, 133809057), (170, 125937936), (180, 118941384), (185, 115726752), (204, 104948280), (216, 99117820), (222, 96438960), (240, 89206038), (255, 83958624), (270, 79294256), (272, 78711210), (288, 74338365), (296, 72329220), (306, 69965520), (333, 64292640), (340, 62968968), (360, 59470692), (370, 57863376), (408, 52474140), (432, 49558910), (444, 48219480), (459, 46643680), (480, 44603019), (510, 41979312), (540, 39647128), (544, 39355605), (555, 38575584), (592, 36164610), (612, 34982760), (629, 34037280), (666, 32146320), (680, 31484484), (720, 29735346), (740, 28931688), (765, 27986208), (816, 26237070), (864, 24779455), (888, 24109740), (918, 23321840), (999, 21430880), (1020, 20989656), (1080, 19823564), (1110, 19287792), (1184, 18082305), (1224, 17491380), (1258, 17018640), (1332, 16073160), (1360, 15742242), (1440, 14867673), (1480, 14465844), (1530, 13993104), (1632, 13118535), (1665, 12858528), (1776, 12054870), (1836, 11660920), (1887, 11345760), (1998, 10715440), (2040, 10494828), (2160, 9911782), (2220, 9643896), (2295, 9328736), (2448, 8745690), (2516, 8509320), (2664, 8036580), (2720, 7871121), (2960, 7232922), (3060, 6996552), (3145, 6807456), (3330, 6429264), (3552, 6027435), (3672, 5830460), (3774, 5672880), (3996, 5357720), (4080, 5247414), (4320, 4955891), (4440, 4821948), (4590, 4664368), (4896, 4372845), (4995, 4286176), (5032, 4254660), (5328, 4018290), (5661, 3781920), (5920, 3616461), (6120, 3498276), (6290, 3403728), (6660, 3214632), (7344, 2915230), (7548, 2836440), (7879, 2717280), (7992, 2678860), (8160, 2623707), (8880, 2410974), (9180, 2332184), (9435, 2269152), (9990, 2143088), (10064, 2127330), (10656, 2009145), (11322, 1890960), (12240, 1749138), (12580, 1701864), (13320, 1607316), (14688, 1457615), (15096, 1418220), (15758, 1358640), (15984, 1339430), (16983, 1260640), (17760, 1205487), (18360, 1166092), (18870, 1134576), (19980, 1071544), (20128, 1063665), (22644, 945480), (23637, 905760), (24480, 874569), (25160, 850932), (26640, 803658), (28305, 756384), (30192, 709110), (31516, 679320), (31968, 669715), (33966, 630320), (36720, 583046), (37740, 567288), (39395, 543456), (39960, 535772), (45288, 472740), (47274, 452880), (50320, 425466), (53280, 401829), (56610, 378192), (60384, 354555), (63032, 339660), (67932, 315160), (70911, 301920), (73440, 291523), (75480, 283644), (78790, 271728), (79920, 267886), (84915, 252128), (90576, 236370), (94548, 226440), (100640, 212733), (113220, 189096), (118185, 181152), (126064, 169830), (133943, 159840), (135864, 157580), (141822, 150960)]