138422880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{991}}^1$

素因数の和:1109

約数の個数: 144

約数和(自身を含む): 477719424

約数和(自身を除く): 339296544

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 97, 120, 144, 160, 180, 194, 240, 288, 291, 360, 388, 480, 485, 582, 720, 776, 873, 970, 991, 1164, 1440, 1455, 1552, 1746, 1940, 1982, 2328, 2910, 2973, 3104, 3492, 3880, 3964, 4365, 4656, 4955, 5820, 5946, 6984, 7760, 7928, 8730, 8919, 9312, 9910, 11640, 11892, 13968, 14865, 15520, 15856, 17460, 17838, 19820, 23280, 23784, 27936, 29730, 31712, 34920, 35676, 39640, 44595, 46560, 47568, 59460, 69840, 71352, 79280, 89190, 95136, 96127, 118920, 139680, 142704, 158560, 178380, 192254, 237840, 285408, 288381, 356760, 384508, 475680, 480635, 576762, 713520, 769016, 865143, 961270, 1153524, 1427040, 1441905, 1538032, 1730286, 1922540, 2307048, 2883810, 3076064, 3460572, 3845080, 4325715, 4614096, 5767620, 6921144, 7690160, 8651430, 9228192, 11535240, 13842288, 15380320, 17302860, 23070480, 27684576, 34605720, 46140960, 69211440, 138422880]

約数ペア:

[(1, 138422880), (2, 69211440), (3, 46140960), (4, 34605720), (5, 27684576), (6, 23070480), (8, 17302860), (9, 15380320), (10, 13842288), (12, 11535240), (15, 9228192), (16, 8651430), (18, 7690160), (20, 6921144), (24, 5767620), (30, 4614096), (32, 4325715), (36, 3845080), (40, 3460572), (45, 3076064), (48, 2883810), (60, 2307048), (72, 1922540), (80, 1730286), (90, 1538032), (96, 1441905), (97, 1427040), (120, 1153524), (144, 961270), (160, 865143), (180, 769016), (194, 713520), (240, 576762), (288, 480635), (291, 475680), (360, 384508), (388, 356760), (480, 288381), (485, 285408), (582, 237840), (720, 192254), (776, 178380), (873, 158560), (970, 142704), (991, 139680), (1164, 118920), (1440, 96127), (1455, 95136), (1552, 89190), (1746, 79280), (1940, 71352), (1982, 69840), (2328, 59460), (2910, 47568), (2973, 46560), (3104, 44595), (3492, 39640), (3880, 35676), (3964, 34920), (4365, 31712), (4656, 29730), (4955, 27936), (5820, 23784), (5946, 23280), (6984, 19820), (7760, 17838), (7928, 17460), (8730, 15856), (8919, 15520), (9312, 14865), (9910, 13968), (11640, 11892)]