18123840

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 336

約数和(自身を含む): 76078080

約数和(自身を除く): 57954240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 29, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 58, 60, 62, 63, 64, 70, 72, 80, 84, 87, 90, 93, 96, 105, 112, 116, 120, 124, 126, 140, 144, 145, 155, 160, 168, 174, 180, 186, 192, 203, 210, 217, 224, 232, 240, 248, 252, 261, 279, 280, 288, 290, 310, 315, 320, 336, 348, 360, 372, 406, 420, 434, 435, 448, 464, 465, 480, 496, 504, 522, 558, 560, 576, 580, 609, 620, 630, 651, 672, 696, 720, 744, 812, 840, 868, 870, 899, 928, 930, 960, 992, 1008, 1015, 1044, 1085, 1116, 1120, 1160, 1218, 1240, 1260, 1302, 1305, 1344, 1392, 1395, 1440, 1488, 1624, 1680, 1736, 1740, 1798, 1827, 1856, 1860, 1953, 1984, 2016, 2030, 2088, 2170, 2232, 2240, 2320, 2436, 2480, 2520, 2604, 2610, 2697, 2784, 2790, 2880, 2976, 3045, 3248, 3255, 3360, 3472, 3480, 3596, 3654, 3720, 3906, 4032, 4060, 4176, 4340, 4464, 4495, 4640, 4872, 4960, 5040, 5208, 5220, 5394, 5568, 5580, 5952, 6090, 6293, 6496, 6510, 6720, 6944, 6960, 7192, 7308, 7440, 7812, 8091, 8120, 8352, 8680, 8928, 8990, 9135, 9280, 9744, 9765, 9920, 10080, 10416, 10440, 10788, 11160, 12180, 12586, 12992, 13020, 13485, 13888, 13920, 14384, 14616, 14880, 15624, 16182, 16240, 16704, 17360, 17856, 17980, 18270, 18879, 19488, 19530, 20160, 20832, 20880, 21576, 22320, 24360, 25172, 26040, 26970, 27840, 28768, 29232, 29760, 31248, 31465, 32364, 32480, 34720, 35960, 36540, 37758, 38976, 39060, 40455, 41664, 41760, 43152, 44640, 48720, 50344, 52080, 53940, 56637, 57536, 58464, 62496, 62930, 64728, 64960, 69440, 71920, 73080, 75516, 78120, 80910, 83520, 86304, 89280, 94395, 97440, 100688, 104160, 107880, 113274, 116928, 124992, 125860, 129456, 143840, 146160, 151032, 156240, 161820, 172608, 188790, 194880, 201376, 208320, 215760, 226548, 251720, 258912, 283185, 287680, 292320, 302064, 312480, 323640, 377580, 402752, 431520, 453096, 503440, 517824, 566370, 584640, 604128, 624960, 647280, 755160, 863040, 906192, 1006880, 1132740, 1208256, 1294560, 1510320, 1812384, 2013760, 2265480, 2589120, 3020640, 3624768, 4530960, 6041280, 9061920, 18123840]

約数ペア:

[(1, 18123840), (2, 9061920), (3, 6041280), (4, 4530960), (5, 3624768), (6, 3020640), (7, 2589120), (8, 2265480), (9, 2013760), (10, 1812384), (12, 1510320), (14, 1294560), (15, 1208256), (16, 1132740), (18, 1006880), (20, 906192), (21, 863040), (24, 755160), (28, 647280), (29, 624960), (30, 604128), (31, 584640), (32, 566370), (35, 517824), (36, 503440), (40, 453096), (42, 431520), (45, 402752), (48, 377580), (56, 323640), (58, 312480), (60, 302064), (62, 292320), (63, 287680), (64, 283185), (70, 258912), (72, 251720), (80, 226548), (84, 215760), (87, 208320), (90, 201376), (93, 194880), (96, 188790), (105, 172608), (112, 161820), (116, 156240), (120, 151032), (124, 146160), (126, 143840), (140, 129456), (144, 125860), (145, 124992), (155, 116928), (160, 113274), (168, 107880), (174, 104160), (180, 100688), (186, 97440), (192, 94395), (203, 89280), (210, 86304), (217, 83520), (224, 80910), (232, 78120), (240, 75516), (248, 73080), (252, 71920), (261, 69440), (279, 64960), (280, 64728), (288, 62930), (290, 62496), (310, 58464), (315, 57536), (320, 56637), (336, 53940), (348, 52080), (360, 50344), (372, 48720), (406, 44640), (420, 43152), (434, 41760), (435, 41664), (448, 40455), (464, 39060), (465, 38976), (480, 37758), (496, 36540), (504, 35960), (522, 34720), (558, 32480), (560, 32364), (576, 31465), (580, 31248), (609, 29760), (620, 29232), (630, 28768), (651, 27840), (672, 26970), (696, 26040), (720, 25172), (744, 24360), (812, 22320), (840, 21576), (868, 20880), (870, 20832), (899, 20160), (928, 19530), (930, 19488), (960, 18879), (992, 18270), (1008, 17980), (1015, 17856), (1044, 17360), (1085, 16704), (1116, 16240), (1120, 16182), (1160, 15624), (1218, 14880), (1240, 14616), (1260, 14384), (1302, 13920), (1305, 13888), (1344, 13485), (1392, 13020), (1395, 12992), (1440, 12586), (1488, 12180), (1624, 11160), (1680, 10788), (1736, 10440), (1740, 10416), (1798, 10080), (1827, 9920), (1856, 9765), (1860, 9744), (1953, 9280), (1984, 9135), (2016, 8990), (2030, 8928), (2088, 8680), (2170, 8352), (2232, 8120), (2240, 8091), (2320, 7812), (2436, 7440), (2480, 7308), (2520, 7192), (2604, 6960), (2610, 6944), (2697, 6720), (2784, 6510), (2790, 6496), (2880, 6293), (2976, 6090), (3045, 5952), (3248, 5580), (3255, 5568), (3360, 5394), (3472, 5220), (3480, 5208), (3596, 5040), (3654, 4960), (3720, 4872), (3906, 4640), (4032, 4495), (4060, 4464), (4176, 4340)]