18921431520

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{3167}}^1$

素因数の和:3655

約数の個数: 240

約数和(自身を含む): 66942868608

約数和(自身を除く): 48021437088

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 461, 480, 540, 648, 720, 810, 864, 922, 1080, 1296, 1383, 1440, 1620, 1844, 2160, 2305, 2592, 2766, 3167, 3240, 3688, 4149, 4320, 4610, 5532, 6334, 6480, 6915, 7376, 8298, 9220, 9501, 11064, 12447, 12668, 12960, 13830, 14752, 15835, 16596, 18440, 19002, 20745, 22128, 24894, 25336, 27660, 28503, 31670, 33192, 36880, 37341, 38004, 41490, 44256, 47505, 49788, 50672, 55320, 57006, 62235, 63340, 66384, 73760, 74682, 76008, 82980, 85509, 95010, 99576, 101344, 110640, 114012, 124470, 126680, 132768, 142515, 149364, 152016, 165960, 171018, 186705, 190020, 199152, 221280, 228024, 248940, 253360, 256527, 285030, 298728, 304032, 331920, 342036, 373410, 380040, 398304, 427545, 456048, 497880, 506720, 513054, 570060, 597456, 663840, 684072, 746820, 760080, 855090, 912096, 995760, 1026108, 1140120, 1194912, 1282635, 1368144, 1459987, 1493640, 1520160, 1710180, 1991520, 2052216, 2280240, 2565270, 2736288, 2919974, 2987280, 3420360, 4104432, 4379961, 4560480, 5130540, 5839948, 5974560, 6840720, 7299935, 8208864, 8759922, 10261080, 11679896, 13139883, 13681440, 14599870, 17519844, 20522160, 21899805, 23359792, 26279766, 29199740, 35039688, 39419649, 41044320, 43799610, 46719584, 52559532, 58399480, 65699415, 70079376, 78839298, 87599220, 105119064, 116798960, 118258947, 131398830, 140158752, 157678596, 175198440, 197098245, 210238128, 233597920, 236517894, 262797660, 315357192, 350396880, 394196490, 420476256, 473035788, 525595320, 591294735, 630714384, 700793760, 788392980, 946071576, 1051190640, 1182589470, 1261428768, 1576785960, 1892143152, 2102381280, 2365178940, 3153571920, 3784286304, 4730357880, 6307143840, 9460715760, 18921431520]

約数ペア:

[(1, 18921431520), (2, 9460715760), (3, 6307143840), (4, 4730357880), (5, 3784286304), (6, 3153571920), (8, 2365178940), (9, 2102381280), (10, 1892143152), (12, 1576785960), (15, 1261428768), (16, 1182589470), (18, 1051190640), (20, 946071576), (24, 788392980), (27, 700793760), (30, 630714384), (32, 591294735), (36, 525595320), (40, 473035788), (45, 420476256), (48, 394196490), (54, 350396880), (60, 315357192), (72, 262797660), (80, 236517894), (81, 233597920), (90, 210238128), (96, 197098245), (108, 175198440), (120, 157678596), (135, 140158752), (144, 131398830), (160, 118258947), (162, 116798960), (180, 105119064), (216, 87599220), (240, 78839298), (270, 70079376), (288, 65699415), (324, 58399480), (360, 52559532), (405, 46719584), (432, 43799610), (461, 41044320), (480, 39419649), (540, 35039688), (648, 29199740), (720, 26279766), (810, 23359792), (864, 21899805), (922, 20522160), (1080, 17519844), (1296, 14599870), (1383, 13681440), (1440, 13139883), (1620, 11679896), (1844, 10261080), (2160, 8759922), (2305, 8208864), (2592, 7299935), (2766, 6840720), (3167, 5974560), (3240, 5839948), (3688, 5130540), (4149, 4560480), (4320, 4379961), (4610, 4104432), (5532, 3420360), (6334, 2987280), (6480, 2919974), (6915, 2736288), (7376, 2565270), (8298, 2280240), (9220, 2052216), (9501, 1991520), (11064, 1710180), (12447, 1520160), (12668, 1493640), (12960, 1459987), (13830, 1368144), (14752, 1282635), (15835, 1194912), (16596, 1140120), (18440, 1026108), (19002, 995760), (20745, 912096), (22128, 855090), (24894, 760080), (25336, 746820), (27660, 684072), (28503, 663840), (31670, 597456), (33192, 570060), (36880, 513054), (37341, 506720), (38004, 497880), (41490, 456048), (44256, 427545), (47505, 398304), (49788, 380040), (50672, 373410), (55320, 342036), (57006, 331920), (62235, 304032), (63340, 298728), (66384, 285030), (73760, 256527), (74682, 253360), (76008, 248940), (82980, 228024), (85509, 221280), (95010, 199152), (99576, 190020), (101344, 186705), (110640, 171018), (114012, 165960), (124470, 152016), (126680, 149364), (132768, 142515)]