55991520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1034

約数の個数: 192

約数和(自身を含む): 211256640

約数和(自身を除く): 155265120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 351, 360, 390, 416, 432, 468, 480, 520, 540, 585, 624, 702, 720, 780, 864, 936, 997, 1040, 1080, 1170, 1248, 1404, 1440, 1560, 1755, 1872, 1994, 2080, 2160, 2340, 2808, 2991, 3120, 3510, 3744, 3988, 4320, 4680, 4985, 5616, 5982, 6240, 7020, 7976, 8973, 9360, 9970, 11232, 11964, 12961, 14040, 14955, 15952, 17946, 18720, 19940, 23928, 25922, 26919, 28080, 29910, 31904, 35892, 38883, 39880, 44865, 47856, 51844, 53838, 56160, 59820, 64805, 71784, 77766, 79760, 89730, 95712, 103688, 107676, 116649, 119640, 129610, 134595, 143568, 155532, 159520, 179460, 194415, 207376, 215352, 233298, 239280, 259220, 269190, 287136, 311064, 349947, 358920, 388830, 414752, 430704, 466596, 478560, 518440, 538380, 583245, 622128, 699894, 717840, 777660, 861408, 933192, 1036880, 1076760, 1166490, 1244256, 1399788, 1435680, 1555320, 1749735, 1866384, 2073760, 2153520, 2332980, 2799576, 3110640, 3499470, 3732768, 4307040, 4665960, 5599152, 6221280, 6998940, 9331920, 11198304, 13997880, 18663840, 27995760, 55991520]

約数ペア:

[(1, 55991520), (2, 27995760), (3, 18663840), (4, 13997880), (5, 11198304), (6, 9331920), (8, 6998940), (9, 6221280), (10, 5599152), (12, 4665960), (13, 4307040), (15, 3732768), (16, 3499470), (18, 3110640), (20, 2799576), (24, 2332980), (26, 2153520), (27, 2073760), (30, 1866384), (32, 1749735), (36, 1555320), (39, 1435680), (40, 1399788), (45, 1244256), (48, 1166490), (52, 1076760), (54, 1036880), (60, 933192), (65, 861408), (72, 777660), (78, 717840), (80, 699894), (90, 622128), (96, 583245), (104, 538380), (108, 518440), (117, 478560), (120, 466596), (130, 430704), (135, 414752), (144, 388830), (156, 358920), (160, 349947), (180, 311064), (195, 287136), (208, 269190), (216, 259220), (234, 239280), (240, 233298), (260, 215352), (270, 207376), (288, 194415), (312, 179460), (351, 159520), (360, 155532), (390, 143568), (416, 134595), (432, 129610), (468, 119640), (480, 116649), (520, 107676), (540, 103688), (585, 95712), (624, 89730), (702, 79760), (720, 77766), (780, 71784), (864, 64805), (936, 59820), (997, 56160), (1040, 53838), (1080, 51844), (1170, 47856), (1248, 44865), (1404, 39880), (1440, 38883), (1560, 35892), (1755, 31904), (1872, 29910), (1994, 28080), (2080, 26919), (2160, 25922), (2340, 23928), (2808, 19940), (2991, 18720), (3120, 17946), (3510, 15952), (3744, 14955), (3988, 14040), (4320, 12961), (4680, 11964), (4985, 11232), (5616, 9970), (5982, 9360), (6240, 8973), (7020, 7976)]