18854640

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:101

約数の個数: 320

約数和(自身を含む): 78566400

約数和(自身を除く): 59711760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 29, 30, 35, 36, 40, 42, 43, 45, 48, 54, 56, 58, 60, 63, 70, 72, 80, 84, 86, 87, 90, 105, 108, 112, 116, 120, 126, 129, 135, 140, 144, 145, 168, 172, 174, 180, 189, 203, 210, 215, 216, 232, 240, 252, 258, 261, 270, 280, 290, 301, 315, 336, 344, 348, 360, 378, 387, 406, 420, 430, 432, 435, 464, 504, 516, 522, 540, 560, 580, 602, 609, 630, 645, 688, 696, 720, 756, 774, 783, 812, 840, 860, 870, 903, 945, 1008, 1015, 1032, 1044, 1080, 1160, 1161, 1204, 1218, 1247, 1260, 1290, 1305, 1392, 1505, 1512, 1548, 1566, 1624, 1680, 1720, 1740, 1806, 1827, 1890, 1935, 2030, 2064, 2088, 2160, 2320, 2322, 2408, 2436, 2494, 2520, 2580, 2610, 2709, 3010, 3024, 3045, 3096, 3132, 3248, 3440, 3480, 3612, 3654, 3741, 3780, 3870, 3915, 4060, 4176, 4515, 4644, 4816, 4872, 4988, 5040, 5160, 5220, 5418, 5481, 5805, 6020, 6090, 6192, 6235, 6264, 6960, 7224, 7308, 7482, 7560, 7740, 7830, 8120, 8127, 8729, 9030, 9135, 9288, 9744, 9976, 10320, 10440, 10836, 10962, 11223, 11610, 12040, 12180, 12470, 12528, 13545, 14448, 14616, 14964, 15120, 15480, 15660, 16240, 16254, 17458, 18060, 18270, 18576, 18705, 19952, 20880, 21672, 21924, 22446, 23220, 24080, 24360, 24940, 26187, 27090, 27405, 29232, 29928, 30960, 31320, 32508, 33669, 34916, 36120, 36540, 37410, 40635, 43344, 43645, 43848, 44892, 46440, 48720, 49880, 52374, 54180, 54810, 56115, 59856, 62640, 65016, 67338, 69832, 72240, 73080, 74820, 78561, 81270, 87290, 87696, 89784, 92880, 99760, 104748, 108360, 109620, 112230, 130032, 130935, 134676, 139664, 146160, 149640, 157122, 162540, 168345, 174580, 179568, 209496, 216720, 219240, 224460, 235683, 261870, 269352, 299280, 314244, 325080, 336690, 349160, 392805, 418992, 438480, 448920, 471366, 523740, 538704, 628488, 650160, 673380, 698320, 785610, 897840, 942732, 1047480, 1178415, 1256976, 1346760, 1571220, 1885464, 2094960, 2356830, 2693520, 3142440, 3770928, 4713660, 6284880, 9427320, 18854640]

約数ペア:

[(1, 18854640), (2, 9427320), (3, 6284880), (4, 4713660), (5, 3770928), (6, 3142440), (7, 2693520), (8, 2356830), (9, 2094960), (10, 1885464), (12, 1571220), (14, 1346760), (15, 1256976), (16, 1178415), (18, 1047480), (20, 942732), (21, 897840), (24, 785610), (27, 698320), (28, 673380), (29, 650160), (30, 628488), (35, 538704), (36, 523740), (40, 471366), (42, 448920), (43, 438480), (45, 418992), (48, 392805), (54, 349160), (56, 336690), (58, 325080), (60, 314244), (63, 299280), (70, 269352), (72, 261870), (80, 235683), (84, 224460), (86, 219240), (87, 216720), (90, 209496), (105, 179568), (108, 174580), (112, 168345), (116, 162540), (120, 157122), (126, 149640), (129, 146160), (135, 139664), (140, 134676), (144, 130935), (145, 130032), (168, 112230), (172, 109620), (174, 108360), (180, 104748), (189, 99760), (203, 92880), (210, 89784), (215, 87696), (216, 87290), (232, 81270), (240, 78561), (252, 74820), (258, 73080), (261, 72240), (270, 69832), (280, 67338), (290, 65016), (301, 62640), (315, 59856), (336, 56115), (344, 54810), (348, 54180), (360, 52374), (378, 49880), (387, 48720), (406, 46440), (420, 44892), (430, 43848), (432, 43645), (435, 43344), (464, 40635), (504, 37410), (516, 36540), (522, 36120), (540, 34916), (560, 33669), (580, 32508), (602, 31320), (609, 30960), (630, 29928), (645, 29232), (688, 27405), (696, 27090), (720, 26187), (756, 24940), (774, 24360), (783, 24080), (812, 23220), (840, 22446), (860, 21924), (870, 21672), (903, 20880), (945, 19952), (1008, 18705), (1015, 18576), (1032, 18270), (1044, 18060), (1080, 17458), (1160, 16254), (1161, 16240), (1204, 15660), (1218, 15480), (1247, 15120), (1260, 14964), (1290, 14616), (1305, 14448), (1392, 13545), (1505, 12528), (1512, 12470), (1548, 12180), (1566, 12040), (1624, 11610), (1680, 11223), (1720, 10962), (1740, 10836), (1806, 10440), (1827, 10320), (1890, 9976), (1935, 9744), (2030, 9288), (2064, 9135), (2088, 9030), (2160, 8729), (2320, 8127), (2322, 8120), (2408, 7830), (2436, 7740), (2494, 7560), (2520, 7482), (2580, 7308), (2610, 7224), (2709, 6960), (3010, 6264), (3024, 6235), (3045, 6192), (3096, 6090), (3132, 6020), (3248, 5805), (3440, 5481), (3480, 5418), (3612, 5220), (3654, 5160), (3741, 5040), (3780, 4988), (3870, 4872), (3915, 4816), (4060, 4644), (4176, 4515)]