31138560

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:100

約数の個数: 288

約数和(自身を含む): 119206080

約数和(自身を除く): 88067520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 53, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 106, 108, 120, 128, 135, 136, 144, 153, 159, 160, 170, 180, 192, 204, 212, 216, 240, 255, 256, 265, 270, 272, 288, 306, 318, 320, 340, 360, 384, 408, 424, 432, 459, 477, 480, 510, 530, 540, 544, 576, 612, 636, 640, 680, 720, 765, 768, 795, 816, 848, 864, 901, 918, 954, 960, 1020, 1060, 1080, 1088, 1152, 1224, 1272, 1280, 1360, 1431, 1440, 1530, 1590, 1632, 1696, 1728, 1802, 1836, 1908, 1920, 2040, 2120, 2160, 2176, 2295, 2304, 2385, 2448, 2544, 2703, 2720, 2862, 2880, 3060, 3180, 3264, 3392, 3456, 3604, 3672, 3816, 3840, 4080, 4240, 4320, 4352, 4505, 4590, 4770, 4896, 5088, 5406, 5440, 5724, 5760, 6120, 6360, 6528, 6784, 6912, 7155, 7208, 7344, 7632, 8109, 8160, 8480, 8640, 9010, 9180, 9540, 9792, 10176, 10812, 10880, 11448, 11520, 12240, 12720, 13056, 13515, 13568, 14310, 14416, 14688, 15264, 16218, 16320, 16960, 17280, 18020, 18360, 19080, 19584, 20352, 21624, 21760, 22896, 24327, 24480, 25440, 27030, 28620, 28832, 29376, 30528, 32436, 32640, 33920, 34560, 36040, 36720, 38160, 39168, 40545, 40704, 43248, 45792, 48654, 48960, 50880, 54060, 57240, 57664, 58752, 61056, 64872, 65280, 67840, 72080, 73440, 76320, 81090, 86496, 91584, 97308, 97920, 101760, 108120, 114480, 115328, 117504, 121635, 122112, 129744, 144160, 146880, 152640, 162180, 172992, 183168, 194616, 195840, 203520, 216240, 228960, 230656, 243270, 259488, 288320, 293760, 305280, 324360, 345984, 366336, 389232, 432480, 457920, 486540, 518976, 576640, 587520, 610560, 648720, 691968, 778464, 864960, 915840, 973080, 1037952, 1153280, 1297440, 1556928, 1729920, 1831680, 1946160, 2075904, 2594880, 3113856, 3459840, 3892320, 5189760, 6227712, 7784640, 10379520, 15569280, 31138560]

約数ペア:

[(1, 31138560), (2, 15569280), (3, 10379520), (4, 7784640), (5, 6227712), (6, 5189760), (8, 3892320), (9, 3459840), (10, 3113856), (12, 2594880), (15, 2075904), (16, 1946160), (17, 1831680), (18, 1729920), (20, 1556928), (24, 1297440), (27, 1153280), (30, 1037952), (32, 973080), (34, 915840), (36, 864960), (40, 778464), (45, 691968), (48, 648720), (51, 610560), (53, 587520), (54, 576640), (60, 518976), (64, 486540), (68, 457920), (72, 432480), (80, 389232), (85, 366336), (90, 345984), (96, 324360), (102, 305280), (106, 293760), (108, 288320), (120, 259488), (128, 243270), (135, 230656), (136, 228960), (144, 216240), (153, 203520), (159, 195840), (160, 194616), (170, 183168), (180, 172992), (192, 162180), (204, 152640), (212, 146880), (216, 144160), (240, 129744), (255, 122112), (256, 121635), (265, 117504), (270, 115328), (272, 114480), (288, 108120), (306, 101760), (318, 97920), (320, 97308), (340, 91584), (360, 86496), (384, 81090), (408, 76320), (424, 73440), (432, 72080), (459, 67840), (477, 65280), (480, 64872), (510, 61056), (530, 58752), (540, 57664), (544, 57240), (576, 54060), (612, 50880), (636, 48960), (640, 48654), (680, 45792), (720, 43248), (765, 40704), (768, 40545), (795, 39168), (816, 38160), (848, 36720), (864, 36040), (901, 34560), (918, 33920), (954, 32640), (960, 32436), (1020, 30528), (1060, 29376), (1080, 28832), (1088, 28620), (1152, 27030), (1224, 25440), (1272, 24480), (1280, 24327), (1360, 22896), (1431, 21760), (1440, 21624), (1530, 20352), (1590, 19584), (1632, 19080), (1696, 18360), (1728, 18020), (1802, 17280), (1836, 16960), (1908, 16320), (1920, 16218), (2040, 15264), (2120, 14688), (2160, 14416), (2176, 14310), (2295, 13568), (2304, 13515), (2385, 13056), (2448, 12720), (2544, 12240), (2703, 11520), (2720, 11448), (2862, 10880), (2880, 10812), (3060, 10176), (3180, 9792), (3264, 9540), (3392, 9180), (3456, 9010), (3604, 8640), (3672, 8480), (3816, 8160), (3840, 8109), (4080, 7632), (4240, 7344), (4320, 7208), (4352, 7155), (4505, 6912), (4590, 6784), (4770, 6528), (4896, 6360), (5088, 6120), (5406, 5760), (5440, 5724)]