31116960

素因数分解:

$2^5\times 3^4\times 5^1\times 7^4$

素因数の和:55

約数の個数: 300

約数和(自身を含む): 128112138

約数和(自身を除く): 96995178

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 162, 168, 180, 189, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 315, 324, 336, 343, 360, 378, 392, 405, 420, 432, 441, 480, 490, 504, 540, 560, 567, 588, 630, 648, 672, 686, 720, 735, 756, 784, 810, 840, 864, 882, 945, 980, 1008, 1029, 1080, 1120, 1134, 1176, 1260, 1296, 1323, 1372, 1440, 1470, 1512, 1568, 1620, 1680, 1715, 1764, 1890, 1960, 2016, 2058, 2160, 2205, 2268, 2352, 2401, 2520, 2592, 2646, 2744, 2835, 2940, 3024, 3087, 3240, 3360, 3430, 3528, 3780, 3920, 3969, 4116, 4320, 4410, 4536, 4704, 4802, 5040, 5145, 5292, 5488, 5670, 5880, 6048, 6174, 6480, 6615, 6860, 7056, 7203, 7560, 7840, 7938, 8232, 8820, 9072, 9261, 9604, 10080, 10290, 10584, 10976, 11340, 11760, 12005, 12348, 12960, 13230, 13720, 14112, 14406, 15120, 15435, 15876, 16464, 17640, 18144, 18522, 19208, 19845, 20580, 21168, 21609, 22680, 23520, 24010, 24696, 26460, 27440, 27783, 28812, 30240, 30870, 31752, 32928, 35280, 36015, 37044, 38416, 39690, 41160, 42336, 43218, 45360, 46305, 48020, 49392, 52920, 54880, 55566, 57624, 61740, 63504, 64827, 70560, 72030, 74088, 76832, 79380, 82320, 86436, 90720, 92610, 96040, 98784, 105840, 108045, 111132, 115248, 123480, 127008, 129654, 138915, 144060, 148176, 158760, 164640, 172872, 185220, 192080, 194481, 211680, 216090, 222264, 230496, 246960, 259308, 277830, 288120, 296352, 317520, 324135, 345744, 370440, 384160, 388962, 432180, 444528, 493920, 518616, 555660, 576240, 635040, 648270, 691488, 740880, 777924, 864360, 889056, 972405, 1037232, 1111320, 1152480, 1296540, 1481760, 1555848, 1728720, 1944810, 2074464, 2222640, 2593080, 3111696, 3457440, 3889620, 4445280, 5186160, 6223392, 7779240, 10372320, 15558480, 31116960]

約数ペア:

[(1, 31116960), (2, 15558480), (3, 10372320), (4, 7779240), (5, 6223392), (6, 5186160), (7, 4445280), (8, 3889620), (9, 3457440), (10, 3111696), (12, 2593080), (14, 2222640), (15, 2074464), (16, 1944810), (18, 1728720), (20, 1555848), (21, 1481760), (24, 1296540), (27, 1152480), (28, 1111320), (30, 1037232), (32, 972405), (35, 889056), (36, 864360), (40, 777924), (42, 740880), (45, 691488), (48, 648270), (49, 635040), (54, 576240), (56, 555660), (60, 518616), (63, 493920), (70, 444528), (72, 432180), (80, 388962), (81, 384160), (84, 370440), (90, 345744), (96, 324135), (98, 317520), (105, 296352), (108, 288120), (112, 277830), (120, 259308), (126, 246960), (135, 230496), (140, 222264), (144, 216090), (147, 211680), (160, 194481), (162, 192080), (168, 185220), (180, 172872), (189, 164640), (196, 158760), (210, 148176), (216, 144060), (224, 138915), (240, 129654), (245, 127008), (252, 123480), (270, 115248), (280, 111132), (288, 108045), (294, 105840), (315, 98784), (324, 96040), (336, 92610), (343, 90720), (360, 86436), (378, 82320), (392, 79380), (405, 76832), (420, 74088), (432, 72030), (441, 70560), (480, 64827), (490, 63504), (504, 61740), (540, 57624), (560, 55566), (567, 54880), (588, 52920), (630, 49392), (648, 48020), (672, 46305), (686, 45360), (720, 43218), (735, 42336), (756, 41160), (784, 39690), (810, 38416), (840, 37044), (864, 36015), (882, 35280), (945, 32928), (980, 31752), (1008, 30870), (1029, 30240), (1080, 28812), (1120, 27783), (1134, 27440), (1176, 26460), (1260, 24696), (1296, 24010), (1323, 23520), (1372, 22680), (1440, 21609), (1470, 21168), (1512, 20580), (1568, 19845), (1620, 19208), (1680, 18522), (1715, 18144), (1764, 17640), (1890, 16464), (1960, 15876), (2016, 15435), (2058, 15120), (2160, 14406), (2205, 14112), (2268, 13720), (2352, 13230), (2401, 12960), (2520, 12348), (2592, 12005), (2646, 11760), (2744, 11340), (2835, 10976), (2940, 10584), (3024, 10290), (3087, 10080), (3240, 9604), (3360, 9261), (3430, 9072), (3528, 8820), (3780, 8232), (3920, 7938), (3969, 7840), (4116, 7560), (4320, 7203), (4410, 7056), (4536, 6860), (4704, 6615), (4802, 6480), (5040, 6174), (5145, 6048), (5292, 5880), (5488, 5670)]