19877760

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:78

約数の個数: 384

約数和(自身を含む): 85924800

約数和(自身を除く): 66047040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 29, 30, 32, 34, 35, 36, 40, 42, 45, 48, 51, 56, 58, 60, 63, 64, 68, 70, 72, 80, 84, 85, 87, 90, 96, 102, 105, 112, 116, 119, 120, 126, 128, 136, 140, 144, 145, 153, 160, 168, 170, 174, 180, 192, 203, 204, 210, 224, 232, 238, 240, 252, 255, 261, 272, 280, 288, 290, 306, 315, 320, 336, 340, 348, 357, 360, 384, 406, 408, 420, 435, 448, 464, 476, 480, 493, 504, 510, 522, 544, 560, 576, 580, 595, 609, 612, 630, 640, 672, 680, 696, 714, 720, 765, 812, 816, 840, 870, 896, 928, 952, 960, 986, 1008, 1015, 1020, 1044, 1071, 1088, 1120, 1152, 1160, 1190, 1218, 1224, 1260, 1305, 1344, 1360, 1392, 1428, 1440, 1479, 1530, 1624, 1632, 1680, 1740, 1785, 1827, 1856, 1904, 1920, 1972, 2016, 2030, 2040, 2088, 2142, 2176, 2240, 2320, 2380, 2436, 2448, 2465, 2520, 2610, 2688, 2720, 2784, 2856, 2880, 2958, 3045, 3060, 3248, 3264, 3360, 3451, 3480, 3570, 3654, 3712, 3808, 3944, 4032, 4060, 4080, 4176, 4284, 4437, 4480, 4640, 4760, 4872, 4896, 4930, 5040, 5220, 5355, 5440, 5568, 5712, 5760, 5916, 6090, 6120, 6496, 6528, 6720, 6902, 6960, 7140, 7308, 7395, 7616, 7888, 8064, 8120, 8160, 8352, 8568, 8874, 9135, 9280, 9520, 9744, 9792, 9860, 10080, 10353, 10440, 10710, 10880, 11136, 11424, 11832, 12180, 12240, 12992, 13440, 13804, 13920, 14280, 14616, 14790, 15232, 15776, 16240, 16320, 16704, 17136, 17255, 17748, 18270, 18560, 19040, 19488, 19584, 19720, 20160, 20706, 20880, 21420, 22185, 22848, 23664, 24360, 24480, 25984, 27608, 27840, 28560, 29232, 29580, 31059, 31552, 32480, 32640, 33408, 34272, 34510, 35496, 36540, 38080, 38976, 39440, 40320, 41412, 41760, 42840, 44370, 45696, 47328, 48720, 48960, 51765, 55216, 55680, 57120, 58464, 59160, 62118, 63104, 64960, 68544, 69020, 70992, 73080, 76160, 77952, 78880, 82824, 83520, 85680, 88740, 94656, 97440, 97920, 103530, 110432, 114240, 116928, 118320, 124236, 129920, 137088, 138040, 141984, 146160, 155295, 157760, 165648, 167040, 171360, 177480, 189312, 194880, 207060, 220864, 228480, 233856, 236640, 248472, 276080, 283968, 292320, 310590, 315520, 331296, 342720, 354960, 389760, 414120, 441728, 473280, 496944, 552160, 567936, 584640, 621180, 662592, 685440, 709920, 828240, 946560, 993888, 1104320, 1169280, 1242360, 1325184, 1419840, 1656480, 1987776, 2208640, 2484720, 2839680, 3312960, 3975552, 4969440, 6625920, 9938880, 19877760]

約数ペア:

[(1, 19877760), (2, 9938880), (3, 6625920), (4, 4969440), (5, 3975552), (6, 3312960), (7, 2839680), (8, 2484720), (9, 2208640), (10, 1987776), (12, 1656480), (14, 1419840), (15, 1325184), (16, 1242360), (17, 1169280), (18, 1104320), (20, 993888), (21, 946560), (24, 828240), (28, 709920), (29, 685440), (30, 662592), (32, 621180), (34, 584640), (35, 567936), (36, 552160), (40, 496944), (42, 473280), (45, 441728), (48, 414120), (51, 389760), (56, 354960), (58, 342720), (60, 331296), (63, 315520), (64, 310590), (68, 292320), (70, 283968), (72, 276080), (80, 248472), (84, 236640), (85, 233856), (87, 228480), (90, 220864), (96, 207060), (102, 194880), (105, 189312), (112, 177480), (116, 171360), (119, 167040), (120, 165648), (126, 157760), (128, 155295), (136, 146160), (140, 141984), (144, 138040), (145, 137088), (153, 129920), (160, 124236), (168, 118320), (170, 116928), (174, 114240), (180, 110432), (192, 103530), (203, 97920), (204, 97440), (210, 94656), (224, 88740), (232, 85680), (238, 83520), (240, 82824), (252, 78880), (255, 77952), (261, 76160), (272, 73080), (280, 70992), (288, 69020), (290, 68544), (306, 64960), (315, 63104), (320, 62118), (336, 59160), (340, 58464), (348, 57120), (357, 55680), (360, 55216), (384, 51765), (406, 48960), (408, 48720), (420, 47328), (435, 45696), (448, 44370), (464, 42840), (476, 41760), (480, 41412), (493, 40320), (504, 39440), (510, 38976), (522, 38080), (544, 36540), (560, 35496), (576, 34510), (580, 34272), (595, 33408), (609, 32640), (612, 32480), (630, 31552), (640, 31059), (672, 29580), (680, 29232), (696, 28560), (714, 27840), (720, 27608), (765, 25984), (812, 24480), (816, 24360), (840, 23664), (870, 22848), (896, 22185), (928, 21420), (952, 20880), (960, 20706), (986, 20160), (1008, 19720), (1015, 19584), (1020, 19488), (1044, 19040), (1071, 18560), (1088, 18270), (1120, 17748), (1152, 17255), (1160, 17136), (1190, 16704), (1218, 16320), (1224, 16240), (1260, 15776), (1305, 15232), (1344, 14790), (1360, 14616), (1392, 14280), (1428, 13920), (1440, 13804), (1479, 13440), (1530, 12992), (1624, 12240), (1632, 12180), (1680, 11832), (1740, 11424), (1785, 11136), (1827, 10880), (1856, 10710), (1904, 10440), (1920, 10353), (1972, 10080), (2016, 9860), (2030, 9792), (2040, 9744), (2088, 9520), (2142, 9280), (2176, 9135), (2240, 8874), (2320, 8568), (2380, 8352), (2436, 8160), (2448, 8120), (2465, 8064), (2520, 7888), (2610, 7616), (2688, 7395), (2720, 7308), (2784, 7140), (2856, 6960), (2880, 6902), (2958, 6720), (3045, 6528), (3060, 6496), (3248, 6120), (3264, 6090), (3360, 5916), (3451, 5760), (3480, 5712), (3570, 5568), (3654, 5440), (3712, 5355), (3808, 5220), (3944, 5040), (4032, 4930), (4060, 4896), (4080, 4872), (4176, 4760), (4284, 4640), (4437, 4480)]