18481680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:238

約数の個数: 240

約数和(自身を含む): 75054720

約数和(自身を除く): 56573040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 193, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 386, 399, 420, 456, 504, 532, 560, 570, 579, 630, 665, 684, 720, 760, 772, 798, 840, 855, 912, 965, 1008, 1064, 1140, 1158, 1197, 1260, 1330, 1351, 1368, 1520, 1544, 1596, 1680, 1710, 1737, 1930, 1995, 2128, 2280, 2316, 2394, 2520, 2660, 2702, 2736, 2895, 3088, 3192, 3420, 3474, 3667, 3860, 3990, 4053, 4560, 4632, 4788, 5040, 5320, 5404, 5790, 5985, 6384, 6755, 6840, 6948, 7334, 7720, 7980, 8106, 8685, 9264, 9576, 10640, 10808, 11001, 11580, 11970, 12159, 13510, 13680, 13896, 14668, 15440, 15960, 16212, 17370, 18335, 19152, 20265, 21616, 22002, 23160, 23940, 24318, 25669, 27020, 27792, 29336, 31920, 32424, 33003, 34740, 36670, 40530, 44004, 46320, 47880, 48636, 51338, 54040, 55005, 58672, 60795, 64848, 66006, 69480, 73340, 77007, 81060, 88008, 95760, 97272, 102676, 108080, 110010, 121590, 128345, 132012, 138960, 146680, 154014, 162120, 165015, 176016, 194544, 205352, 220020, 231021, 243180, 256690, 264024, 293360, 308028, 324240, 330030, 385035, 410704, 440040, 462042, 486360, 513380, 528048, 616056, 660060, 770070, 880080, 924084, 972720, 1026760, 1155105, 1232112, 1320120, 1540140, 1848168, 2053520, 2310210, 2640240, 3080280, 3696336, 4620420, 6160560, 9240840, 18481680]

約数ペア:

[(1, 18481680), (2, 9240840), (3, 6160560), (4, 4620420), (5, 3696336), (6, 3080280), (7, 2640240), (8, 2310210), (9, 2053520), (10, 1848168), (12, 1540140), (14, 1320120), (15, 1232112), (16, 1155105), (18, 1026760), (19, 972720), (20, 924084), (21, 880080), (24, 770070), (28, 660060), (30, 616056), (35, 528048), (36, 513380), (38, 486360), (40, 462042), (42, 440040), (45, 410704), (48, 385035), (56, 330030), (57, 324240), (60, 308028), (63, 293360), (70, 264024), (72, 256690), (76, 243180), (80, 231021), (84, 220020), (90, 205352), (95, 194544), (105, 176016), (112, 165015), (114, 162120), (120, 154014), (126, 146680), (133, 138960), (140, 132012), (144, 128345), (152, 121590), (168, 110010), (171, 108080), (180, 102676), (190, 97272), (193, 95760), (210, 88008), (228, 81060), (240, 77007), (252, 73340), (266, 69480), (280, 66006), (285, 64848), (304, 60795), (315, 58672), (336, 55005), (342, 54040), (360, 51338), (380, 48636), (386, 47880), (399, 46320), (420, 44004), (456, 40530), (504, 36670), (532, 34740), (560, 33003), (570, 32424), (579, 31920), (630, 29336), (665, 27792), (684, 27020), (720, 25669), (760, 24318), (772, 23940), (798, 23160), (840, 22002), (855, 21616), (912, 20265), (965, 19152), (1008, 18335), (1064, 17370), (1140, 16212), (1158, 15960), (1197, 15440), (1260, 14668), (1330, 13896), (1351, 13680), (1368, 13510), (1520, 12159), (1544, 11970), (1596, 11580), (1680, 11001), (1710, 10808), (1737, 10640), (1930, 9576), (1995, 9264), (2128, 8685), (2280, 8106), (2316, 7980), (2394, 7720), (2520, 7334), (2660, 6948), (2702, 6840), (2736, 6755), (2895, 6384), (3088, 5985), (3192, 5790), (3420, 5404), (3474, 5320), (3667, 5040), (3860, 4788), (3990, 4632), (4053, 4560)]