320688000

素因数分解:

$2^7\times 3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:183

約数の個数: 384

約数和(自身を含む): 1228724640

約数和(自身を除く): 908036640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 25, 30, 32, 34, 36, 40, 45, 48, 50, 51, 60, 64, 68, 72, 75, 80, 85, 90, 96, 100, 102, 120, 125, 128, 131, 136, 144, 150, 153, 160, 170, 180, 192, 200, 204, 225, 240, 250, 255, 262, 272, 288, 300, 306, 320, 340, 360, 375, 384, 393, 400, 408, 425, 450, 480, 500, 510, 524, 544, 576, 600, 612, 640, 655, 680, 720, 750, 765, 786, 800, 816, 850, 900, 960, 1000, 1020, 1048, 1088, 1125, 1152, 1179, 1200, 1224, 1275, 1310, 1360, 1440, 1500, 1530, 1572, 1600, 1632, 1700, 1800, 1920, 1965, 2000, 2040, 2096, 2125, 2176, 2227, 2250, 2358, 2400, 2448, 2550, 2620, 2720, 2880, 3000, 3060, 3144, 3200, 3264, 3275, 3400, 3600, 3825, 3930, 4000, 4080, 4192, 4250, 4454, 4500, 4716, 4800, 4896, 5100, 5240, 5440, 5760, 5895, 6000, 6120, 6288, 6375, 6528, 6550, 6681, 6800, 7200, 7650, 7860, 8000, 8160, 8384, 8500, 8908, 9000, 9432, 9600, 9792, 9825, 10200, 10480, 10880, 11135, 11790, 12000, 12240, 12576, 12750, 13100, 13362, 13600, 14400, 15300, 15720, 16000, 16320, 16375, 16768, 17000, 17816, 18000, 18864, 19125, 19584, 19650, 20043, 20400, 20960, 22270, 23580, 24000, 24480, 25152, 25500, 26200, 26724, 27200, 28800, 29475, 30600, 31440, 32640, 32750, 33405, 34000, 35632, 36000, 37728, 38250, 39300, 40086, 40800, 41920, 44540, 47160, 48000, 48960, 49125, 50304, 51000, 52400, 53448, 54400, 55675, 58950, 61200, 62880, 65500, 66810, 68000, 71264, 72000, 75456, 76500, 78600, 80172, 81600, 83840, 89080, 94320, 97920, 98250, 100215, 102000, 104800, 106896, 111350, 117900, 122400, 125760, 131000, 133620, 136000, 142528, 144000, 147375, 150912, 153000, 157200, 160344, 163200, 167025, 178160, 188640, 196500, 200430, 204000, 209600, 213792, 222700, 235800, 244800, 251520, 262000, 267240, 272000, 278375, 285056, 294750, 306000, 314400, 320688, 334050, 356320, 377280, 393000, 400860, 408000, 419200, 427584, 445400, 471600, 489600, 501075, 524000, 534480, 556750, 589500, 612000, 628800, 641376, 668100, 712640, 754560, 786000, 801720, 816000, 835125, 855168, 890800, 943200, 1002150, 1048000, 1068960, 1113500, 1179000, 1224000, 1257600, 1282752, 1336200, 1425280, 1572000, 1603440, 1670250, 1781600, 1886400, 2004300, 2096000, 2137920, 2227000, 2358000, 2448000, 2505375, 2565504, 2672400, 3144000, 3206880, 3340500, 3563200, 3772800, 4008600, 4275840, 4454000, 4716000, 5010750, 5344800, 6288000, 6413760, 6681000, 7126400, 8017200, 8908000, 9432000, 10021500, 10689600, 12827520, 13362000, 16034400, 17816000, 18864000, 20043000, 21379200, 26724000, 32068800, 35632000, 40086000, 53448000, 64137600, 80172000, 106896000, 160344000, 320688000]

約数ペア:

[(1, 320688000), (2, 160344000), (3, 106896000), (4, 80172000), (5, 64137600), (6, 53448000), (8, 40086000), (9, 35632000), (10, 32068800), (12, 26724000), (15, 21379200), (16, 20043000), (17, 18864000), (18, 17816000), (20, 16034400), (24, 13362000), (25, 12827520), (30, 10689600), (32, 10021500), (34, 9432000), (36, 8908000), (40, 8017200), (45, 7126400), (48, 6681000), (50, 6413760), (51, 6288000), (60, 5344800), (64, 5010750), (68, 4716000), (72, 4454000), (75, 4275840), (80, 4008600), (85, 3772800), (90, 3563200), (96, 3340500), (100, 3206880), (102, 3144000), (120, 2672400), (125, 2565504), (128, 2505375), (131, 2448000), (136, 2358000), (144, 2227000), (150, 2137920), (153, 2096000), (160, 2004300), (170, 1886400), (180, 1781600), (192, 1670250), (200, 1603440), (204, 1572000), (225, 1425280), (240, 1336200), (250, 1282752), (255, 1257600), (262, 1224000), (272, 1179000), (288, 1113500), (300, 1068960), (306, 1048000), (320, 1002150), (340, 943200), (360, 890800), (375, 855168), (384, 835125), (393, 816000), (400, 801720), (408, 786000), (425, 754560), (450, 712640), (480, 668100), (500, 641376), (510, 628800), (524, 612000), (544, 589500), (576, 556750), (600, 534480), (612, 524000), (640, 501075), (655, 489600), (680, 471600), (720, 445400), (750, 427584), (765, 419200), (786, 408000), (800, 400860), (816, 393000), (850, 377280), (900, 356320), (960, 334050), (1000, 320688), (1020, 314400), (1048, 306000), (1088, 294750), (1125, 285056), (1152, 278375), (1179, 272000), (1200, 267240), (1224, 262000), (1275, 251520), (1310, 244800), (1360, 235800), (1440, 222700), (1500, 213792), (1530, 209600), (1572, 204000), (1600, 200430), (1632, 196500), (1700, 188640), (1800, 178160), (1920, 167025), (1965, 163200), (2000, 160344), (2040, 157200), (2096, 153000), (2125, 150912), (2176, 147375), (2227, 144000), (2250, 142528), (2358, 136000), (2400, 133620), (2448, 131000), (2550, 125760), (2620, 122400), (2720, 117900), (2880, 111350), (3000, 106896), (3060, 104800), (3144, 102000), (3200, 100215), (3264, 98250), (3275, 97920), (3400, 94320), (3600, 89080), (3825, 83840), (3930, 81600), (4000, 80172), (4080, 78600), (4192, 76500), (4250, 75456), (4454, 72000), (4500, 71264), (4716, 68000), (4800, 66810), (4896, 65500), (5100, 62880), (5240, 61200), (5440, 58950), (5760, 55675), (5895, 54400), (6000, 53448), (6120, 52400), (6288, 51000), (6375, 50304), (6528, 49125), (6550, 48960), (6681, 48000), (6800, 47160), (7200, 44540), (7650, 41920), (7860, 40800), (8000, 40086), (8160, 39300), (8384, 38250), (8500, 37728), (8908, 36000), (9000, 35632), (9432, 34000), (9600, 33405), (9792, 32750), (9825, 32640), (10200, 31440), (10480, 30600), (10880, 29475), (11135, 28800), (11790, 27200), (12000, 26724), (12240, 26200), (12576, 25500), (12750, 25152), (13100, 24480), (13362, 24000), (13600, 23580), (14400, 22270), (15300, 20960), (15720, 20400), (16000, 20043), (16320, 19650), (16375, 19584), (16768, 19125), (17000, 18864), (17816, 18000)]