31025280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:159

約数の個数: 256

約数和(自身を含む): 117210240

約数和(自身を除く): 86184960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 39, 40, 44, 48, 52, 55, 60, 64, 65, 66, 78, 80, 88, 96, 104, 110, 113, 120, 128, 130, 132, 143, 156, 160, 165, 176, 192, 195, 208, 220, 226, 240, 260, 264, 286, 312, 320, 330, 339, 352, 384, 390, 416, 429, 440, 452, 480, 520, 528, 565, 572, 624, 640, 660, 678, 704, 715, 780, 832, 858, 880, 904, 960, 1040, 1056, 1130, 1144, 1243, 1248, 1320, 1356, 1408, 1430, 1469, 1560, 1664, 1695, 1716, 1760, 1808, 1920, 2080, 2112, 2145, 2260, 2288, 2486, 2496, 2640, 2712, 2860, 2938, 3120, 3390, 3432, 3520, 3616, 3729, 4160, 4224, 4290, 4407, 4520, 4576, 4972, 4992, 5280, 5424, 5720, 5876, 6215, 6240, 6780, 6864, 7040, 7232, 7345, 7458, 8320, 8580, 8814, 9040, 9152, 9944, 10560, 10848, 11440, 11752, 12430, 12480, 13560, 13728, 14464, 14690, 14916, 16159, 17160, 17628, 18080, 18304, 18645, 19888, 21120, 21696, 22035, 22880, 23504, 24860, 24960, 27120, 27456, 29380, 29832, 32318, 34320, 35256, 36160, 37290, 39776, 43392, 44070, 45760, 47008, 48477, 49720, 54240, 54912, 58760, 59664, 64636, 68640, 70512, 72320, 74580, 79552, 80795, 88140, 91520, 94016, 96954, 99440, 108480, 117520, 119328, 129272, 137280, 141024, 149160, 159104, 161590, 176280, 188032, 193908, 198880, 216960, 235040, 238656, 242385, 258544, 274560, 282048, 298320, 323180, 352560, 387816, 397760, 470080, 477312, 484770, 517088, 564096, 596640, 646360, 705120, 775632, 795520, 940160, 969540, 1034176, 1193280, 1292720, 1410240, 1551264, 1939080, 2068352, 2386560, 2585440, 2820480, 3102528, 3878160, 5170880, 6205056, 7756320, 10341760, 15512640, 31025280]

約数ペア:

[(1, 31025280), (2, 15512640), (3, 10341760), (4, 7756320), (5, 6205056), (6, 5170880), (8, 3878160), (10, 3102528), (11, 2820480), (12, 2585440), (13, 2386560), (15, 2068352), (16, 1939080), (20, 1551264), (22, 1410240), (24, 1292720), (26, 1193280), (30, 1034176), (32, 969540), (33, 940160), (39, 795520), (40, 775632), (44, 705120), (48, 646360), (52, 596640), (55, 564096), (60, 517088), (64, 484770), (65, 477312), (66, 470080), (78, 397760), (80, 387816), (88, 352560), (96, 323180), (104, 298320), (110, 282048), (113, 274560), (120, 258544), (128, 242385), (130, 238656), (132, 235040), (143, 216960), (156, 198880), (160, 193908), (165, 188032), (176, 176280), (192, 161590), (195, 159104), (208, 149160), (220, 141024), (226, 137280), (240, 129272), (260, 119328), (264, 117520), (286, 108480), (312, 99440), (320, 96954), (330, 94016), (339, 91520), (352, 88140), (384, 80795), (390, 79552), (416, 74580), (429, 72320), (440, 70512), (452, 68640), (480, 64636), (520, 59664), (528, 58760), (565, 54912), (572, 54240), (624, 49720), (640, 48477), (660, 47008), (678, 45760), (704, 44070), (715, 43392), (780, 39776), (832, 37290), (858, 36160), (880, 35256), (904, 34320), (960, 32318), (1040, 29832), (1056, 29380), (1130, 27456), (1144, 27120), (1243, 24960), (1248, 24860), (1320, 23504), (1356, 22880), (1408, 22035), (1430, 21696), (1469, 21120), (1560, 19888), (1664, 18645), (1695, 18304), (1716, 18080), (1760, 17628), (1808, 17160), (1920, 16159), (2080, 14916), (2112, 14690), (2145, 14464), (2260, 13728), (2288, 13560), (2486, 12480), (2496, 12430), (2640, 11752), (2712, 11440), (2860, 10848), (2938, 10560), (3120, 9944), (3390, 9152), (3432, 9040), (3520, 8814), (3616, 8580), (3729, 8320), (4160, 7458), (4224, 7345), (4290, 7232), (4407, 7040), (4520, 6864), (4576, 6780), (4972, 6240), (4992, 6215), (5280, 5876), (5424, 5720)]