21288553920

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{13613}}^1$

素因数の和:13820

約数の個数: 224

約数和(自身を含む): 75521759040

約数和(自身を除く): 54233205120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 181, 192, 216, 240, 270, 288, 320, 360, 362, 432, 480, 540, 543, 576, 720, 724, 864, 905, 960, 1080, 1086, 1440, 1448, 1629, 1728, 1810, 2160, 2172, 2715, 2880, 2896, 3258, 3620, 4320, 4344, 4887, 5430, 5792, 6516, 7240, 8145, 8640, 8688, 9774, 10860, 11584, 13032, 13613, 14480, 16290, 17376, 19548, 21720, 24435, 26064, 27226, 28960, 32580, 34752, 39096, 40839, 43440, 48870, 52128, 54452, 57920, 65160, 68065, 78192, 81678, 86880, 97740, 104256, 108904, 122517, 130320, 136130, 156384, 163356, 173760, 195480, 204195, 217808, 245034, 260640, 272260, 312768, 326712, 367551, 390960, 408390, 435616, 490068, 521280, 544520, 612585, 653424, 735102, 781920, 816780, 871232, 980136, 1089040, 1225170, 1306848, 1470204, 1563840, 1633560, 1837755, 1960272, 2178080, 2450340, 2463953, 2613696, 2940408, 3267120, 3675510, 3920544, 4356160, 4900680, 4927906, 5880816, 6534240, 7351020, 7391859, 7841088, 9801360, 9855812, 11761632, 12319765, 13068480, 14702040, 14783718, 19602720, 19711624, 22175577, 23523264, 24639530, 29404080, 29567436, 36959295, 39205440, 39423248, 44351154, 49279060, 58808160, 59134872, 66526731, 73918590, 78846496, 88702308, 98558120, 110877885, 117616320, 118269744, 133053462, 147837180, 157692992, 177404616, 197116240, 221755770, 236539488, 266106924, 295674360, 332633655, 354809232, 394232480, 443511540, 473078976, 532213848, 591348720, 665267310, 709618464, 788464960, 887023080, 1064427696, 1182697440, 1330534620, 1419236928, 1774046160, 2128855392, 2365394880, 2661069240, 3548092320, 4257710784, 5322138480, 7096184640, 10644276960, 21288553920]

約数ペア:

[(1, 21288553920), (2, 10644276960), (3, 7096184640), (4, 5322138480), (5, 4257710784), (6, 3548092320), (8, 2661069240), (9, 2365394880), (10, 2128855392), (12, 1774046160), (15, 1419236928), (16, 1330534620), (18, 1182697440), (20, 1064427696), (24, 887023080), (27, 788464960), (30, 709618464), (32, 665267310), (36, 591348720), (40, 532213848), (45, 473078976), (48, 443511540), (54, 394232480), (60, 354809232), (64, 332633655), (72, 295674360), (80, 266106924), (90, 236539488), (96, 221755770), (108, 197116240), (120, 177404616), (135, 157692992), (144, 147837180), (160, 133053462), (180, 118269744), (181, 117616320), (192, 110877885), (216, 98558120), (240, 88702308), (270, 78846496), (288, 73918590), (320, 66526731), (360, 59134872), (362, 58808160), (432, 49279060), (480, 44351154), (540, 39423248), (543, 39205440), (576, 36959295), (720, 29567436), (724, 29404080), (864, 24639530), (905, 23523264), (960, 22175577), (1080, 19711624), (1086, 19602720), (1440, 14783718), (1448, 14702040), (1629, 13068480), (1728, 12319765), (1810, 11761632), (2160, 9855812), (2172, 9801360), (2715, 7841088), (2880, 7391859), (2896, 7351020), (3258, 6534240), (3620, 5880816), (4320, 4927906), (4344, 4900680), (4887, 4356160), (5430, 3920544), (5792, 3675510), (6516, 3267120), (7240, 2940408), (8145, 2613696), (8640, 2463953), (8688, 2450340), (9774, 2178080), (10860, 1960272), (11584, 1837755), (13032, 1633560), (13613, 1563840), (14480, 1470204), (16290, 1306848), (17376, 1225170), (19548, 1089040), (21720, 980136), (24435, 871232), (26064, 816780), (27226, 781920), (28960, 735102), (32580, 653424), (34752, 612585), (39096, 544520), (40839, 521280), (43440, 490068), (48870, 435616), (52128, 408390), (54452, 390960), (57920, 367551), (65160, 326712), (68065, 312768), (78192, 272260), (81678, 260640), (86880, 245034), (97740, 217808), (104256, 204195), (108904, 195480), (122517, 173760), (130320, 163356), (136130, 156384)]