161629440

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{859}}^1$

素因数の和:897

約数の個数: 216

約数和(自身を含む): 601181280

約数和(自身を除く): 439551840

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, 448, 480, 490, 560, 588, 640, 672, 735, 768, 784, 840, 859, 896, 960, 980, 1120, 1176, 1280, 1344, 1470, 1568, 1680, 1718, 1792, 1920, 1960, 2240, 2352, 2577, 2688, 2940, 3136, 3360, 3436, 3840, 3920, 4295, 4480, 4704, 5154, 5376, 5880, 6013, 6272, 6720, 6872, 7840, 8590, 8960, 9408, 10308, 11760, 12026, 12544, 12885, 13440, 13744, 15680, 17180, 18039, 18816, 20616, 23520, 24052, 25770, 26880, 27488, 30065, 31360, 34360, 36078, 37632, 41232, 42091, 47040, 48104, 51540, 54976, 60130, 62720, 68720, 72156, 82464, 84182, 90195, 94080, 96208, 103080, 109952, 120260, 126273, 137440, 144312, 164928, 168364, 180390, 188160, 192416, 206160, 210455, 219904, 240520, 252546, 274880, 288624, 329856, 336728, 360780, 384832, 412320, 420910, 481040, 505092, 549760, 577248, 631365, 659712, 673456, 721560, 769664, 824640, 841820, 962080, 1010184, 1099520, 1154496, 1262730, 1346912, 1443120, 1539328, 1649280, 1683640, 1924160, 2020368, 2308992, 2525460, 2693824, 2886240, 3298560, 3367280, 3848320, 4040736, 4617984, 5050920, 5387648, 5772480, 6734560, 7696640, 8081472, 10101840, 10775296, 11544960, 13469120, 16162944, 20203680, 23089920, 26938240, 32325888, 40407360, 53876480, 80814720, 161629440]

約数ペア:

[(1, 161629440), (2, 80814720), (3, 53876480), (4, 40407360), (5, 32325888), (6, 26938240), (7, 23089920), (8, 20203680), (10, 16162944), (12, 13469120), (14, 11544960), (15, 10775296), (16, 10101840), (20, 8081472), (21, 7696640), (24, 6734560), (28, 5772480), (30, 5387648), (32, 5050920), (35, 4617984), (40, 4040736), (42, 3848320), (48, 3367280), (49, 3298560), (56, 2886240), (60, 2693824), (64, 2525460), (70, 2308992), (80, 2020368), (84, 1924160), (96, 1683640), (98, 1649280), (105, 1539328), (112, 1443120), (120, 1346912), (128, 1262730), (140, 1154496), (147, 1099520), (160, 1010184), (168, 962080), (192, 841820), (196, 824640), (210, 769664), (224, 721560), (240, 673456), (245, 659712), (256, 631365), (280, 577248), (294, 549760), (320, 505092), (336, 481040), (384, 420910), (392, 412320), (420, 384832), (448, 360780), (480, 336728), (490, 329856), (560, 288624), (588, 274880), (640, 252546), (672, 240520), (735, 219904), (768, 210455), (784, 206160), (840, 192416), (859, 188160), (896, 180390), (960, 168364), (980, 164928), (1120, 144312), (1176, 137440), (1280, 126273), (1344, 120260), (1470, 109952), (1568, 103080), (1680, 96208), (1718, 94080), (1792, 90195), (1920, 84182), (1960, 82464), (2240, 72156), (2352, 68720), (2577, 62720), (2688, 60130), (2940, 54976), (3136, 51540), (3360, 48104), (3436, 47040), (3840, 42091), (3920, 41232), (4295, 37632), (4480, 36078), (4704, 34360), (5154, 31360), (5376, 30065), (5880, 27488), (6013, 26880), (6272, 25770), (6720, 24052), (6872, 23520), (7840, 20616), (8590, 18816), (8960, 18039), (9408, 17180), (10308, 15680), (11760, 13744), (12026, 13440), (12544, 12885)]