161253120

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{857}}^1$

素因数の和:895

約数の個数: 216

約数和(自身を含む): 599783184

約数和(自身を除く): 438530064

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, 857, 896, 960, 980, 1120, 1176, 1280, 1344, 1470, 1568, 1680, 1714, 1792, 1920, 1960, 2240, 2352, 2571, 2688, 2940, 3136, 3360, 3428, 3840, 3920, 4285, 4480, 4704, 5142, 5376, 5880, 5999, 6272, 6720, 6856, 7840, 8570, 8960, 9408, 10284, 11760, 11998, 12544, 12855, 13440, 13712, 15680, 17140, 17997, 18816, 20568, 23520, 23996, 25710, 26880, 27424, 29995, 31360, 34280, 35994, 37632, 41136, 41993, 47040, 47992, 51420, 54848, 59990, 62720, 68560, 71988, 82272, 83986, 89985, 94080, 95984, 102840, 109696, 119980, 125979, 137120, 143976, 164544, 167972, 179970, 188160, 191968, 205680, 209965, 219392, 239960, 251958, 274240, 287952, 329088, 335944, 359940, 383936, 411360, 419930, 479920, 503916, 548480, 575904, 629895, 658176, 671888, 719880, 767872, 822720, 839860, 959840, 1007832, 1096960, 1151808, 1259790, 1343776, 1439760, 1535744, 1645440, 1679720, 1919680, 2015664, 2303616, 2519580, 2687552, 2879520, 3290880, 3359440, 3839360, 4031328, 4607232, 5039160, 5375104, 5759040, 6718880, 7678720, 8062656, 10078320, 10750208, 11518080, 13437760, 16125312, 20156640, 23036160, 26875520, 32250624, 40313280, 53751040, 80626560, 161253120]

約数ペア:

[(1, 161253120), (2, 80626560), (3, 53751040), (4, 40313280), (5, 32250624), (6, 26875520), (7, 23036160), (8, 20156640), (10, 16125312), (12, 13437760), (14, 11518080), (15, 10750208), (16, 10078320), (20, 8062656), (21, 7678720), (24, 6718880), (28, 5759040), (30, 5375104), (32, 5039160), (35, 4607232), (40, 4031328), (42, 3839360), (48, 3359440), (49, 3290880), (56, 2879520), (60, 2687552), (64, 2519580), (70, 2303616), (80, 2015664), (84, 1919680), (96, 1679720), (98, 1645440), (105, 1535744), (112, 1439760), (120, 1343776), (128, 1259790), (140, 1151808), (147, 1096960), (160, 1007832), (168, 959840), (192, 839860), (196, 822720), (210, 767872), (224, 719880), (240, 671888), (245, 658176), (256, 629895), (280, 575904), (294, 548480), (320, 503916), (336, 479920), (384, 419930), (392, 411360), (420, 383936), (448, 359940), (480, 335944), (490, 329088), (560, 287952), (588, 274240), (640, 251958), (672, 239960), (735, 219392), (768, 209965), (784, 205680), (840, 191968), (857, 188160), (896, 179970), (960, 167972), (980, 164544), (1120, 143976), (1176, 137120), (1280, 125979), (1344, 119980), (1470, 109696), (1568, 102840), (1680, 95984), (1714, 94080), (1792, 89985), (1920, 83986), (1960, 82272), (2240, 71988), (2352, 68560), (2571, 62720), (2688, 59990), (2940, 54848), (3136, 51420), (3360, 47992), (3428, 47040), (3840, 41993), (3920, 41136), (4285, 37632), (4480, 35994), (4704, 34280), (5142, 31360), (5376, 29995), (5880, 27424), (5999, 26880), (6272, 25710), (6720, 23996), (6856, 23520), (7840, 20568), (8570, 18816), (8960, 17997), (9408, 17140), (10284, 15680), (11760, 13712), (11998, 13440), (12544, 12855)]