18738720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2$

素因数の和:65

約数の個数: 432

約数和(自身を含む): 86329152

約数和(自身を除く): 67590432

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 20, 21, 22, 24, 26, 28, 30, 32, 33, 35, 36, 39, 40, 42, 44, 45, 48, 52, 55, 56, 60, 63, 65, 66, 70, 72, 77, 78, 80, 84, 88, 90, 91, 96, 99, 104, 105, 110, 112, 117, 120, 126, 130, 132, 140, 143, 144, 154, 156, 160, 165, 168, 169, 176, 180, 182, 195, 198, 208, 210, 220, 224, 231, 234, 240, 252, 260, 264, 273, 280, 286, 288, 308, 312, 315, 330, 336, 338, 352, 360, 364, 385, 390, 396, 416, 420, 429, 440, 455, 462, 468, 480, 495, 504, 507, 520, 528, 546, 560, 572, 585, 616, 624, 630, 660, 672, 676, 693, 715, 720, 728, 770, 780, 792, 819, 840, 845, 858, 880, 910, 924, 936, 990, 1001, 1008, 1014, 1040, 1056, 1092, 1120, 1144, 1155, 1170, 1183, 1232, 1248, 1260, 1287, 1320, 1352, 1365, 1386, 1430, 1440, 1456, 1521, 1540, 1560, 1584, 1638, 1680, 1690, 1716, 1760, 1820, 1848, 1859, 1872, 1980, 2002, 2016, 2028, 2080, 2145, 2184, 2288, 2310, 2340, 2366, 2464, 2520, 2535, 2574, 2640, 2704, 2730, 2772, 2860, 2912, 3003, 3042, 3080, 3120, 3168, 3276, 3360, 3380, 3432, 3465, 3549, 3640, 3696, 3718, 3744, 3960, 4004, 4056, 4095, 4290, 4368, 4576, 4620, 4680, 4732, 5005, 5040, 5070, 5148, 5280, 5408, 5460, 5544, 5577, 5720, 5915, 6006, 6084, 6160, 6240, 6435, 6552, 6760, 6864, 6930, 7098, 7280, 7392, 7436, 7605, 7920, 8008, 8112, 8190, 8580, 8736, 9009, 9240, 9295, 9360, 9464, 10010, 10080, 10140, 10296, 10647, 10920, 11088, 11154, 11440, 11830, 12012, 12168, 12320, 12870, 13013, 13104, 13520, 13728, 13860, 14196, 14560, 14872, 15015, 15210, 15840, 16016, 16224, 16380, 16731, 17160, 17745, 18018, 18480, 18590, 18720, 18928, 20020, 20280, 20592, 21294, 21840, 22176, 22308, 22880, 23660, 24024, 24336, 25740, 26026, 26208, 27040, 27720, 27885, 28392, 29744, 30030, 30420, 32032, 32760, 33462, 34320, 35490, 36036, 36960, 37180, 37856, 39039, 40040, 40560, 41184, 42588, 43680, 44616, 45045, 47320, 48048, 48672, 51480, 52052, 53235, 55440, 55770, 56784, 59488, 60060, 60840, 65065, 65520, 66924, 68640, 70980, 72072, 74360, 78078, 80080, 81120, 83655, 85176, 89232, 90090, 94640, 96096, 102960, 104104, 106470, 110880, 111540, 113568, 117117, 120120, 121680, 130130, 131040, 133848, 141960, 144144, 148720, 156156, 160160, 167310, 170352, 178464, 180180, 189280, 195195, 205920, 208208, 212940, 223080, 234234, 240240, 243360, 260260, 267696, 283920, 288288, 297440, 312312, 334620, 340704, 360360, 390390, 416416, 425880, 446160, 468468, 480480, 520520, 535392, 567840, 585585, 624624, 669240, 720720, 780780, 851760, 892320, 936936, 1041040, 1171170, 1249248, 1338480, 1441440, 1561560, 1703520, 1873872, 2082080, 2342340, 2676960, 3123120, 3747744, 4684680, 6246240, 9369360, 18738720]

約数ペア:

[(1, 18738720), (2, 9369360), (3, 6246240), (4, 4684680), (5, 3747744), (6, 3123120), (7, 2676960), (8, 2342340), (9, 2082080), (10, 1873872), (11, 1703520), (12, 1561560), (13, 1441440), (14, 1338480), (15, 1249248), (16, 1171170), (18, 1041040), (20, 936936), (21, 892320), (22, 851760), (24, 780780), (26, 720720), (28, 669240), (30, 624624), (32, 585585), (33, 567840), (35, 535392), (36, 520520), (39, 480480), (40, 468468), (42, 446160), (44, 425880), (45, 416416), (48, 390390), (52, 360360), (55, 340704), (56, 334620), (60, 312312), (63, 297440), (65, 288288), (66, 283920), (70, 267696), (72, 260260), (77, 243360), (78, 240240), (80, 234234), (84, 223080), (88, 212940), (90, 208208), (91, 205920), (96, 195195), (99, 189280), (104, 180180), (105, 178464), (110, 170352), (112, 167310), (117, 160160), (120, 156156), (126, 148720), (130, 144144), (132, 141960), (140, 133848), (143, 131040), (144, 130130), (154, 121680), (156, 120120), (160, 117117), (165, 113568), (168, 111540), (169, 110880), (176, 106470), (180, 104104), (182, 102960), (195, 96096), (198, 94640), (208, 90090), (210, 89232), (220, 85176), (224, 83655), (231, 81120), (234, 80080), (240, 78078), (252, 74360), (260, 72072), (264, 70980), (273, 68640), (280, 66924), (286, 65520), (288, 65065), (308, 60840), (312, 60060), (315, 59488), (330, 56784), (336, 55770), (338, 55440), (352, 53235), (360, 52052), (364, 51480), (385, 48672), (390, 48048), (396, 47320), (416, 45045), (420, 44616), (429, 43680), (440, 42588), (455, 41184), (462, 40560), (468, 40040), (480, 39039), (495, 37856), (504, 37180), (507, 36960), (520, 36036), (528, 35490), (546, 34320), (560, 33462), (572, 32760), (585, 32032), (616, 30420), (624, 30030), (630, 29744), (660, 28392), (672, 27885), (676, 27720), (693, 27040), (715, 26208), (720, 26026), (728, 25740), (770, 24336), (780, 24024), (792, 23660), (819, 22880), (840, 22308), (845, 22176), (858, 21840), (880, 21294), (910, 20592), (924, 20280), (936, 20020), (990, 18928), (1001, 18720), (1008, 18590), (1014, 18480), (1040, 18018), (1056, 17745), (1092, 17160), (1120, 16731), (1144, 16380), (1155, 16224), (1170, 16016), (1183, 15840), (1232, 15210), (1248, 15015), (1260, 14872), (1287, 14560), (1320, 14196), (1352, 13860), (1365, 13728), (1386, 13520), (1430, 13104), (1440, 13013), (1456, 12870), (1521, 12320), (1540, 12168), (1560, 12012), (1584, 11830), (1638, 11440), (1680, 11154), (1690, 11088), (1716, 10920), (1760, 10647), (1820, 10296), (1848, 10140), (1859, 10080), (1872, 10010), (1980, 9464), (2002, 9360), (2016, 9295), (2028, 9240), (2080, 9009), (2145, 8736), (2184, 8580), (2288, 8190), (2310, 8112), (2340, 8008), (2366, 7920), (2464, 7605), (2520, 7436), (2535, 7392), (2574, 7280), (2640, 7098), (2704, 6930), (2730, 6864), (2772, 6760), (2860, 6552), (2912, 6435), (3003, 6240), (3042, 6160), (3080, 6084), (3120, 6006), (3168, 5915), (3276, 5720), (3360, 5577), (3380, 5544), (3432, 5460), (3465, 5408), (3549, 5280), (3640, 5148), (3696, 5070), (3718, 5040), (3744, 5005), (3960, 4732), (4004, 4680), (4056, 4620), (4095, 4576), (4290, 4368)]