388975680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1031}}^1$

素因数の和:1185

約数の個数: 168

約数和(自身を含む): 1349434944

約数和(自身を除く): 960459264

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, 64, 72, 80, 90, 96, 120, 131, 144, 160, 180, 192, 240, 262, 288, 320, 360, 393, 480, 524, 576, 655, 720, 786, 960, 1031, 1048, 1179, 1310, 1440, 1572, 1965, 2062, 2096, 2358, 2620, 2880, 3093, 3144, 3930, 4124, 4192, 4716, 5155, 5240, 5895, 6186, 6288, 7860, 8248, 8384, 9279, 9432, 10310, 10480, 11790, 12372, 12576, 15465, 15720, 16496, 18558, 18864, 20620, 20960, 23580, 24744, 25152, 30930, 31440, 32992, 37116, 37728, 41240, 41920, 46395, 47160, 49488, 61860, 62880, 65984, 74232, 75456, 82480, 92790, 94320, 98976, 123720, 125760, 135061, 148464, 164960, 185580, 188640, 197952, 247440, 270122, 296928, 329920, 371160, 377280, 405183, 494880, 540244, 593856, 675305, 742320, 810366, 989760, 1080488, 1215549, 1350610, 1484640, 1620732, 2025915, 2160976, 2431098, 2701220, 2969280, 3241464, 4051830, 4321952, 4862196, 5402440, 6077745, 6482928, 8103660, 8643904, 9724392, 10804880, 12155490, 12965856, 16207320, 19448784, 21609760, 24310980, 25931712, 32414640, 38897568, 43219520, 48621960, 64829280, 77795136, 97243920, 129658560, 194487840, 388975680]

約数ペア:

[(1, 388975680), (2, 194487840), (3, 129658560), (4, 97243920), (5, 77795136), (6, 64829280), (8, 48621960), (9, 43219520), (10, 38897568), (12, 32414640), (15, 25931712), (16, 24310980), (18, 21609760), (20, 19448784), (24, 16207320), (30, 12965856), (32, 12155490), (36, 10804880), (40, 9724392), (45, 8643904), (48, 8103660), (60, 6482928), (64, 6077745), (72, 5402440), (80, 4862196), (90, 4321952), (96, 4051830), (120, 3241464), (131, 2969280), (144, 2701220), (160, 2431098), (180, 2160976), (192, 2025915), (240, 1620732), (262, 1484640), (288, 1350610), (320, 1215549), (360, 1080488), (393, 989760), (480, 810366), (524, 742320), (576, 675305), (655, 593856), (720, 540244), (786, 494880), (960, 405183), (1031, 377280), (1048, 371160), (1179, 329920), (1310, 296928), (1440, 270122), (1572, 247440), (1965, 197952), (2062, 188640), (2096, 185580), (2358, 164960), (2620, 148464), (2880, 135061), (3093, 125760), (3144, 123720), (3930, 98976), (4124, 94320), (4192, 92790), (4716, 82480), (5155, 75456), (5240, 74232), (5895, 65984), (6186, 62880), (6288, 61860), (7860, 49488), (8248, 47160), (8384, 46395), (9279, 41920), (9432, 41240), (10310, 37728), (10480, 37116), (11790, 32992), (12372, 31440), (12576, 30930), (15465, 25152), (15720, 24744), (16496, 23580), (18558, 20960), (18864, 20620)]