21422880

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:78

約数の個数: 288

約数和(自身を含む): 82555200

約数和(自身を除く): 61132320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 29, 30, 32, 36, 38, 40, 45, 48, 54, 57, 58, 60, 72, 76, 80, 81, 87, 90, 95, 96, 108, 114, 116, 120, 135, 144, 145, 152, 160, 162, 171, 174, 180, 190, 216, 228, 232, 240, 243, 261, 270, 285, 288, 290, 304, 324, 342, 348, 360, 380, 405, 432, 435, 456, 464, 480, 486, 513, 522, 540, 551, 570, 580, 608, 648, 684, 696, 720, 760, 783, 810, 855, 864, 870, 912, 928, 972, 1026, 1044, 1080, 1102, 1140, 1160, 1215, 1296, 1305, 1368, 1392, 1440, 1520, 1539, 1566, 1620, 1653, 1710, 1740, 1824, 1944, 2052, 2088, 2160, 2204, 2280, 2320, 2349, 2430, 2565, 2592, 2610, 2736, 2755, 2784, 3040, 3078, 3132, 3240, 3306, 3420, 3480, 3888, 3915, 4104, 4176, 4320, 4408, 4560, 4617, 4640, 4698, 4860, 4959, 5130, 5220, 5472, 5510, 6156, 6264, 6480, 6612, 6840, 6960, 7047, 7695, 7776, 7830, 8208, 8265, 8352, 8816, 9120, 9234, 9396, 9720, 9918, 10260, 10440, 11020, 11745, 12312, 12528, 12960, 13224, 13680, 13920, 14094, 14877, 15390, 15660, 16416, 16530, 17632, 18468, 18792, 19440, 19836, 20520, 20880, 22040, 23085, 23490, 24624, 24795, 25056, 26448, 27360, 28188, 29754, 30780, 31320, 33060, 35235, 36936, 37584, 38880, 39672, 41040, 41760, 44080, 44631, 46170, 46980, 49248, 49590, 52896, 56376, 59508, 61560, 62640, 66120, 70470, 73872, 74385, 75168, 79344, 82080, 88160, 89262, 92340, 93960, 99180, 112752, 119016, 123120, 125280, 132240, 133893, 140940, 147744, 148770, 158688, 178524, 184680, 187920, 198360, 223155, 225504, 238032, 246240, 264480, 267786, 281880, 297540, 357048, 369360, 375840, 396720, 446310, 476064, 535572, 563760, 595080, 669465, 714096, 738720, 793440, 892620, 1071144, 1127520, 1190160, 1338930, 1428192, 1785240, 2142288, 2380320, 2677860, 3570480, 4284576, 5355720, 7140960, 10711440, 21422880]

約数ペア:

[(1, 21422880), (2, 10711440), (3, 7140960), (4, 5355720), (5, 4284576), (6, 3570480), (8, 2677860), (9, 2380320), (10, 2142288), (12, 1785240), (15, 1428192), (16, 1338930), (18, 1190160), (19, 1127520), (20, 1071144), (24, 892620), (27, 793440), (29, 738720), (30, 714096), (32, 669465), (36, 595080), (38, 563760), (40, 535572), (45, 476064), (48, 446310), (54, 396720), (57, 375840), (58, 369360), (60, 357048), (72, 297540), (76, 281880), (80, 267786), (81, 264480), (87, 246240), (90, 238032), (95, 225504), (96, 223155), (108, 198360), (114, 187920), (116, 184680), (120, 178524), (135, 158688), (144, 148770), (145, 147744), (152, 140940), (160, 133893), (162, 132240), (171, 125280), (174, 123120), (180, 119016), (190, 112752), (216, 99180), (228, 93960), (232, 92340), (240, 89262), (243, 88160), (261, 82080), (270, 79344), (285, 75168), (288, 74385), (290, 73872), (304, 70470), (324, 66120), (342, 62640), (348, 61560), (360, 59508), (380, 56376), (405, 52896), (432, 49590), (435, 49248), (456, 46980), (464, 46170), (480, 44631), (486, 44080), (513, 41760), (522, 41040), (540, 39672), (551, 38880), (570, 37584), (580, 36936), (608, 35235), (648, 33060), (684, 31320), (696, 30780), (720, 29754), (760, 28188), (783, 27360), (810, 26448), (855, 25056), (864, 24795), (870, 24624), (912, 23490), (928, 23085), (972, 22040), (1026, 20880), (1044, 20520), (1080, 19836), (1102, 19440), (1140, 18792), (1160, 18468), (1215, 17632), (1296, 16530), (1305, 16416), (1368, 15660), (1392, 15390), (1440, 14877), (1520, 14094), (1539, 13920), (1566, 13680), (1620, 13224), (1653, 12960), (1710, 12528), (1740, 12312), (1824, 11745), (1944, 11020), (2052, 10440), (2088, 10260), (2160, 9918), (2204, 9720), (2280, 9396), (2320, 9234), (2349, 9120), (2430, 8816), (2565, 8352), (2592, 8265), (2610, 8208), (2736, 7830), (2755, 7776), (2784, 7695), (3040, 7047), (3078, 6960), (3132, 6840), (3240, 6612), (3306, 6480), (3420, 6264), (3480, 6156), (3888, 5510), (3915, 5472), (4104, 5220), (4176, 5130), (4320, 4959), (4408, 4860), (4560, 4698), (4617, 4640)]