128668800

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1031}}^1$

素因数の和:1071

約数の個数: 192

約数和(自身を含む): 456845760

約数和(自身を除く): 328176960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 64, 65, 75, 78, 80, 96, 100, 104, 120, 128, 130, 150, 156, 160, 192, 195, 200, 208, 240, 260, 300, 312, 320, 325, 384, 390, 400, 416, 480, 520, 600, 624, 640, 650, 780, 800, 832, 960, 975, 1031, 1040, 1200, 1248, 1300, 1560, 1600, 1664, 1920, 1950, 2062, 2080, 2400, 2496, 2600, 3093, 3120, 3200, 3900, 4124, 4160, 4800, 4992, 5155, 5200, 6186, 6240, 7800, 8248, 8320, 9600, 10310, 10400, 12372, 12480, 13403, 15465, 15600, 16496, 20620, 20800, 24744, 24960, 25775, 26806, 30930, 31200, 32992, 40209, 41240, 41600, 49488, 51550, 53612, 61860, 62400, 65984, 67015, 77325, 80418, 82480, 98976, 103100, 107224, 123720, 124800, 131968, 134030, 154650, 160836, 164960, 197952, 201045, 206200, 214448, 247440, 268060, 309300, 321672, 329920, 335075, 395904, 402090, 412400, 428896, 494880, 536120, 618600, 643344, 659840, 670150, 804180, 824800, 857792, 989760, 1005225, 1072240, 1237200, 1286688, 1340300, 1608360, 1649600, 1715584, 1979520, 2010450, 2144480, 2474400, 2573376, 2680600, 3216720, 3299200, 4020900, 4288960, 4948800, 5146752, 5361200, 6433440, 8041800, 8577920, 9897600, 10722400, 12866880, 16083600, 21444800, 25733760, 32167200, 42889600, 64334400, 128668800]

約数ペア:

[(1, 128668800), (2, 64334400), (3, 42889600), (4, 32167200), (5, 25733760), (6, 21444800), (8, 16083600), (10, 12866880), (12, 10722400), (13, 9897600), (15, 8577920), (16, 8041800), (20, 6433440), (24, 5361200), (25, 5146752), (26, 4948800), (30, 4288960), (32, 4020900), (39, 3299200), (40, 3216720), (48, 2680600), (50, 2573376), (52, 2474400), (60, 2144480), (64, 2010450), (65, 1979520), (75, 1715584), (78, 1649600), (80, 1608360), (96, 1340300), (100, 1286688), (104, 1237200), (120, 1072240), (128, 1005225), (130, 989760), (150, 857792), (156, 824800), (160, 804180), (192, 670150), (195, 659840), (200, 643344), (208, 618600), (240, 536120), (260, 494880), (300, 428896), (312, 412400), (320, 402090), (325, 395904), (384, 335075), (390, 329920), (400, 321672), (416, 309300), (480, 268060), (520, 247440), (600, 214448), (624, 206200), (640, 201045), (650, 197952), (780, 164960), (800, 160836), (832, 154650), (960, 134030), (975, 131968), (1031, 124800), (1040, 123720), (1200, 107224), (1248, 103100), (1300, 98976), (1560, 82480), (1600, 80418), (1664, 77325), (1920, 67015), (1950, 65984), (2062, 62400), (2080, 61860), (2400, 53612), (2496, 51550), (2600, 49488), (3093, 41600), (3120, 41240), (3200, 40209), (3900, 32992), (4124, 31200), (4160, 30930), (4800, 26806), (4992, 25775), (5155, 24960), (5200, 24744), (6186, 20800), (6240, 20620), (7800, 16496), (8248, 15600), (8320, 15465), (9600, 13403), (10310, 12480), (10400, 12372)]