31553280

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1$

素因数の和:124

約数の個数: 288

約数和(自身を含む): 123621120

約数和(自身を除く): 92067840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 64, 66, 72, 80, 83, 88, 90, 96, 99, 108, 110, 120, 128, 132, 135, 144, 160, 165, 166, 176, 180, 192, 198, 216, 220, 240, 249, 256, 264, 270, 288, 297, 320, 330, 332, 352, 360, 384, 396, 415, 432, 440, 480, 495, 498, 528, 540, 576, 594, 640, 660, 664, 704, 720, 747, 768, 792, 830, 864, 880, 913, 960, 990, 996, 1056, 1080, 1152, 1188, 1245, 1280, 1320, 1328, 1408, 1440, 1485, 1494, 1584, 1660, 1728, 1760, 1826, 1920, 1980, 1992, 2112, 2160, 2241, 2304, 2376, 2490, 2640, 2656, 2739, 2816, 2880, 2970, 2988, 3168, 3320, 3456, 3520, 3652, 3735, 3840, 3960, 3984, 4224, 4320, 4482, 4565, 4752, 4980, 5280, 5312, 5478, 5760, 5940, 5976, 6336, 6640, 6912, 7040, 7304, 7470, 7920, 7968, 8217, 8448, 8640, 8964, 9130, 9504, 9960, 10560, 10624, 10956, 11205, 11520, 11880, 11952, 12672, 13280, 13695, 14080, 14608, 14940, 15840, 15936, 16434, 17280, 17928, 18260, 19008, 19920, 21120, 21248, 21912, 22410, 23760, 23904, 24651, 25344, 26560, 27390, 29216, 29880, 31680, 31872, 32868, 34560, 35856, 36520, 38016, 39840, 41085, 42240, 43824, 44820, 47520, 47808, 49302, 53120, 54780, 58432, 59760, 63360, 63744, 65736, 71712, 73040, 76032, 79680, 82170, 87648, 89640, 95040, 95616, 98604, 106240, 109560, 116864, 119520, 123255, 126720, 131472, 143424, 146080, 159360, 164340, 175296, 179280, 190080, 191232, 197208, 219120, 233728, 239040, 246510, 262944, 286848, 292160, 318720, 328680, 350592, 358560, 380160, 394416, 438240, 478080, 493020, 525888, 573696, 584320, 657360, 701184, 717120, 788832, 876480, 956160, 986040, 1051776, 1168640, 1314720, 1434240, 1577664, 1752960, 1972080, 2103552, 2629440, 2868480, 3155328, 3505920, 3944160, 5258880, 6310656, 7888320, 10517760, 15776640, 31553280]

約数ペア:

[(1, 31553280), (2, 15776640), (3, 10517760), (4, 7888320), (5, 6310656), (6, 5258880), (8, 3944160), (9, 3505920), (10, 3155328), (11, 2868480), (12, 2629440), (15, 2103552), (16, 1972080), (18, 1752960), (20, 1577664), (22, 1434240), (24, 1314720), (27, 1168640), (30, 1051776), (32, 986040), (33, 956160), (36, 876480), (40, 788832), (44, 717120), (45, 701184), (48, 657360), (54, 584320), (55, 573696), (60, 525888), (64, 493020), (66, 478080), (72, 438240), (80, 394416), (83, 380160), (88, 358560), (90, 350592), (96, 328680), (99, 318720), (108, 292160), (110, 286848), (120, 262944), (128, 246510), (132, 239040), (135, 233728), (144, 219120), (160, 197208), (165, 191232), (166, 190080), (176, 179280), (180, 175296), (192, 164340), (198, 159360), (216, 146080), (220, 143424), (240, 131472), (249, 126720), (256, 123255), (264, 119520), (270, 116864), (288, 109560), (297, 106240), (320, 98604), (330, 95616), (332, 95040), (352, 89640), (360, 87648), (384, 82170), (396, 79680), (415, 76032), (432, 73040), (440, 71712), (480, 65736), (495, 63744), (498, 63360), (528, 59760), (540, 58432), (576, 54780), (594, 53120), (640, 49302), (660, 47808), (664, 47520), (704, 44820), (720, 43824), (747, 42240), (768, 41085), (792, 39840), (830, 38016), (864, 36520), (880, 35856), (913, 34560), (960, 32868), (990, 31872), (996, 31680), (1056, 29880), (1080, 29216), (1152, 27390), (1188, 26560), (1245, 25344), (1280, 24651), (1320, 23904), (1328, 23760), (1408, 22410), (1440, 21912), (1485, 21248), (1494, 21120), (1584, 19920), (1660, 19008), (1728, 18260), (1760, 17928), (1826, 17280), (1920, 16434), (1980, 15936), (1992, 15840), (2112, 14940), (2160, 14608), (2241, 14080), (2304, 13695), (2376, 13280), (2490, 12672), (2640, 11952), (2656, 11880), (2739, 11520), (2816, 11205), (2880, 10956), (2970, 10624), (2988, 10560), (3168, 9960), (3320, 9504), (3456, 9130), (3520, 8964), (3652, 8640), (3735, 8448), (3840, 8217), (3960, 7968), (3984, 7920), (4224, 7470), (4320, 7304), (4482, 7040), (4565, 6912), (4752, 6640), (4980, 6336), (5280, 5976), (5312, 5940), (5478, 5760)]