1986875520

素因数分解:

$2^7\times 3^1\times 5^1\times 7^4\times {\mathrm{431}}^1$

素因数の和:481

約数の個数: 320

約数和(自身を含む): 7405395840

約数和(自身を除く): 5418520320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 343, 384, 392, 420, 431, 448, 480, 490, 560, 588, 640, 672, 686, 735, 784, 840, 862, 896, 960, 980, 1029, 1120, 1176, 1293, 1344, 1372, 1470, 1568, 1680, 1715, 1724, 1920, 1960, 2058, 2155, 2240, 2352, 2401, 2586, 2688, 2744, 2940, 3017, 3136, 3360, 3430, 3448, 3920, 4116, 4310, 4480, 4704, 4802, 5145, 5172, 5488, 5880, 6034, 6272, 6465, 6720, 6860, 6896, 7203, 7840, 8232, 8620, 9051, 9408, 9604, 10290, 10344, 10976, 11760, 12005, 12068, 12930, 13440, 13720, 13792, 14406, 15085, 15680, 16464, 17240, 18102, 18816, 19208, 20580, 20688, 21119, 21952, 23520, 24010, 24136, 25860, 27440, 27584, 28812, 30170, 31360, 32928, 34480, 36015, 36204, 38416, 41160, 41376, 42238, 43904, 45255, 47040, 48020, 48272, 51720, 54880, 55168, 57624, 60340, 63357, 65856, 68960, 72030, 72408, 76832, 82320, 82752, 84476, 90510, 94080, 96040, 96544, 103440, 105595, 109760, 115248, 120680, 126714, 131712, 137920, 144060, 144816, 147833, 153664, 164640, 165504, 168952, 181020, 192080, 193088, 206880, 211190, 219520, 230496, 241360, 253428, 275840, 288120, 289632, 295666, 307328, 316785, 329280, 337904, 362040, 384160, 386176, 413760, 422380, 443499, 460992, 482720, 506856, 576240, 579264, 591332, 633570, 658560, 675808, 724080, 739165, 768320, 827520, 844760, 886998, 921984, 965440, 1013712, 1034831, 1152480, 1158528, 1182664, 1267140, 1351616, 1448160, 1478330, 1536640, 1689520, 1773996, 1930880, 2027424, 2069662, 2217495, 2304960, 2365328, 2534280, 2703232, 2896320, 2956660, 3104493, 3379040, 3547992, 4054848, 4139324, 4434990, 4609920, 4730656, 5068560, 5174155, 5792640, 5913320, 6208986, 6758080, 7095984, 8109696, 8278648, 8869980, 9461312, 10137120, 10348310, 11826640, 12417972, 13516160, 14191968, 15522465, 16557296, 17739960, 18922624, 20274240, 20696620, 23653280, 24835944, 28383936, 31044930, 33114592, 35479920, 40548480, 41393240, 47306560, 49671888, 56767872, 62089860, 66229184, 70959840, 82786480, 94613120, 99343776, 124179720, 132458368, 141919680, 165572960, 198687552, 248359440, 283839360, 331145920, 397375104, 496718880, 662291840, 993437760, 1986875520]

約数ペア:

[(1, 1986875520), (2, 993437760), (3, 662291840), (4, 496718880), (5, 397375104), (6, 331145920), (7, 283839360), (8, 248359440), (10, 198687552), (12, 165572960), (14, 141919680), (15, 132458368), (16, 124179720), (20, 99343776), (21, 94613120), (24, 82786480), (28, 70959840), (30, 66229184), (32, 62089860), (35, 56767872), (40, 49671888), (42, 47306560), (48, 41393240), (49, 40548480), (56, 35479920), (60, 33114592), (64, 31044930), (70, 28383936), (80, 24835944), (84, 23653280), (96, 20696620), (98, 20274240), (105, 18922624), (112, 17739960), (120, 16557296), (128, 15522465), (140, 14191968), (147, 13516160), (160, 12417972), (168, 11826640), (192, 10348310), (196, 10137120), (210, 9461312), (224, 8869980), (240, 8278648), (245, 8109696), (280, 7095984), (294, 6758080), (320, 6208986), (336, 5913320), (343, 5792640), (384, 5174155), (392, 5068560), (420, 4730656), (431, 4609920), (448, 4434990), (480, 4139324), (490, 4054848), (560, 3547992), (588, 3379040), (640, 3104493), (672, 2956660), (686, 2896320), (735, 2703232), (784, 2534280), (840, 2365328), (862, 2304960), (896, 2217495), (960, 2069662), (980, 2027424), (1029, 1930880), (1120, 1773996), (1176, 1689520), (1293, 1536640), (1344, 1478330), (1372, 1448160), (1470, 1351616), (1568, 1267140), (1680, 1182664), (1715, 1158528), (1724, 1152480), (1920, 1034831), (1960, 1013712), (2058, 965440), (2155, 921984), (2240, 886998), (2352, 844760), (2401, 827520), (2586, 768320), (2688, 739165), (2744, 724080), (2940, 675808), (3017, 658560), (3136, 633570), (3360, 591332), (3430, 579264), (3448, 576240), (3920, 506856), (4116, 482720), (4310, 460992), (4480, 443499), (4704, 422380), (4802, 413760), (5145, 386176), (5172, 384160), (5488, 362040), (5880, 337904), (6034, 329280), (6272, 316785), (6465, 307328), (6720, 295666), (6860, 289632), (6896, 288120), (7203, 275840), (7840, 253428), (8232, 241360), (8620, 230496), (9051, 219520), (9408, 211190), (9604, 206880), (10290, 193088), (10344, 192080), (10976, 181020), (11760, 168952), (12005, 165504), (12068, 164640), (12930, 153664), (13440, 147833), (13720, 144816), (13792, 144060), (14406, 137920), (15085, 131712), (15680, 126714), (16464, 120680), (17240, 115248), (18102, 109760), (18816, 105595), (19208, 103440), (20580, 96544), (20688, 96040), (21119, 94080), (21952, 90510), (23520, 84476), (24010, 82752), (24136, 82320), (25860, 76832), (27440, 72408), (27584, 72030), (28812, 68960), (30170, 65856), (31360, 63357), (32928, 60340), (34480, 57624), (36015, 55168), (36204, 54880), (38416, 51720), (41160, 48272), (41376, 48020), (42238, 47040), (43904, 45255)]