81096960

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{431}}^1$

素因数の和:469

約数の個数: 216

約数和(自身を含む): 301988736

約数和(自身を除く): 220891776

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, 256, 280, 294, 320, 336, 384, 392, 420, 431, 448, 480, 490, 560, 588, 640, 672, 735, 768, 784, 840, 862, 896, 960, 980, 1120, 1176, 1280, 1293, 1344, 1470, 1568, 1680, 1724, 1792, 1920, 1960, 2155, 2240, 2352, 2586, 2688, 2940, 3017, 3136, 3360, 3448, 3840, 3920, 4310, 4480, 4704, 5172, 5376, 5880, 6034, 6272, 6465, 6720, 6896, 7840, 8620, 8960, 9051, 9408, 10344, 11760, 12068, 12544, 12930, 13440, 13792, 15085, 15680, 17240, 18102, 18816, 20688, 21119, 23520, 24136, 25860, 26880, 27584, 30170, 31360, 34480, 36204, 37632, 41376, 42238, 45255, 47040, 48272, 51720, 55168, 60340, 62720, 63357, 68960, 72408, 82752, 84476, 90510, 94080, 96544, 103440, 105595, 110336, 120680, 126714, 137920, 144816, 165504, 168952, 181020, 188160, 193088, 206880, 211190, 241360, 253428, 275840, 289632, 316785, 331008, 337904, 362040, 386176, 413760, 422380, 482720, 506856, 551680, 579264, 633570, 675808, 724080, 772352, 827520, 844760, 965440, 1013712, 1158528, 1267140, 1351616, 1448160, 1655040, 1689520, 1930880, 2027424, 2317056, 2534280, 2703232, 2896320, 3379040, 3861760, 4054848, 5068560, 5406464, 5792640, 6758080, 8109696, 10137120, 11585280, 13516160, 16219392, 20274240, 27032320, 40548480, 81096960]

約数ペア:

[(1, 81096960), (2, 40548480), (3, 27032320), (4, 20274240), (5, 16219392), (6, 13516160), (7, 11585280), (8, 10137120), (10, 8109696), (12, 6758080), (14, 5792640), (15, 5406464), (16, 5068560), (20, 4054848), (21, 3861760), (24, 3379040), (28, 2896320), (30, 2703232), (32, 2534280), (35, 2317056), (40, 2027424), (42, 1930880), (48, 1689520), (49, 1655040), (56, 1448160), (60, 1351616), (64, 1267140), (70, 1158528), (80, 1013712), (84, 965440), (96, 844760), (98, 827520), (105, 772352), (112, 724080), (120, 675808), (128, 633570), (140, 579264), (147, 551680), (160, 506856), (168, 482720), (192, 422380), (196, 413760), (210, 386176), (224, 362040), (240, 337904), (245, 331008), (256, 316785), (280, 289632), (294, 275840), (320, 253428), (336, 241360), (384, 211190), (392, 206880), (420, 193088), (431, 188160), (448, 181020), (480, 168952), (490, 165504), (560, 144816), (588, 137920), (640, 126714), (672, 120680), (735, 110336), (768, 105595), (784, 103440), (840, 96544), (862, 94080), (896, 90510), (960, 84476), (980, 82752), (1120, 72408), (1176, 68960), (1280, 63357), (1293, 62720), (1344, 60340), (1470, 55168), (1568, 51720), (1680, 48272), (1724, 47040), (1792, 45255), (1920, 42238), (1960, 41376), (2155, 37632), (2240, 36204), (2352, 34480), (2586, 31360), (2688, 30170), (2940, 27584), (3017, 26880), (3136, 25860), (3360, 24136), (3448, 23520), (3840, 21119), (3920, 20688), (4310, 18816), (4480, 18102), (4704, 17240), (5172, 15680), (5376, 15085), (5880, 13792), (6034, 13440), (6272, 12930), (6465, 12544), (6720, 12068), (6896, 11760), (7840, 10344), (8620, 9408), (8960, 9051)]