31389120

素因数分解:

$2^6\times 3^4\times 5^1\times 7^1\times {\mathrm{173}}^1$

素因数の和:209

約数の個数: 280

約数和(自身を含む): 128345184

約数和(自身を除く): 96956064

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, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 173, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 324, 336, 346, 360, 378, 405, 420, 432, 448, 480, 504, 519, 540, 560, 567, 576, 630, 648, 672, 692, 720, 756, 810, 840, 864, 865, 945, 960, 1008, 1038, 1080, 1120, 1134, 1211, 1260, 1296, 1344, 1384, 1440, 1512, 1557, 1620, 1680, 1728, 1730, 1890, 2016, 2076, 2160, 2240, 2268, 2422, 2520, 2592, 2595, 2768, 2835, 2880, 3024, 3114, 3240, 3360, 3460, 3633, 3780, 4032, 4152, 4320, 4536, 4671, 4844, 5040, 5184, 5190, 5536, 5670, 6048, 6055, 6228, 6480, 6720, 6920, 7266, 7560, 7785, 8304, 8640, 9072, 9342, 9688, 10080, 10380, 10899, 11072, 11340, 12096, 12110, 12456, 12960, 13840, 14013, 14532, 15120, 15570, 16608, 18144, 18165, 18684, 19376, 20160, 20760, 21798, 22680, 23355, 24220, 24912, 25920, 27680, 28026, 29064, 30240, 31140, 32697, 33216, 36288, 36330, 37368, 38752, 41520, 43596, 45360, 46710, 48440, 49824, 54495, 55360, 56052, 58128, 60480, 62280, 65394, 70065, 72660, 74736, 77504, 83040, 87192, 90720, 93420, 96880, 98091, 99648, 108990, 112104, 116256, 124560, 130788, 140130, 145320, 149472, 163485, 166080, 174384, 181440, 186840, 193760, 196182, 217980, 224208, 232512, 249120, 261576, 280260, 290640, 298944, 326970, 348768, 373680, 387520, 392364, 435960, 448416, 490455, 498240, 523152, 560520, 581280, 653940, 697536, 747360, 784728, 871920, 896832, 980910, 1046304, 1121040, 1162560, 1307880, 1494720, 1569456, 1743840, 1961820, 2092608, 2242080, 2615760, 3138912, 3487680, 3923640, 4484160, 5231520, 6277824, 7847280, 10463040, 15694560, 31389120]

約数ペア:

[(1, 31389120), (2, 15694560), (3, 10463040), (4, 7847280), (5, 6277824), (6, 5231520), (7, 4484160), (8, 3923640), (9, 3487680), (10, 3138912), (12, 2615760), (14, 2242080), (15, 2092608), (16, 1961820), (18, 1743840), (20, 1569456), (21, 1494720), (24, 1307880), (27, 1162560), (28, 1121040), (30, 1046304), (32, 980910), (35, 896832), (36, 871920), (40, 784728), (42, 747360), (45, 697536), (48, 653940), (54, 581280), (56, 560520), (60, 523152), (63, 498240), (64, 490455), (70, 448416), (72, 435960), (80, 392364), (81, 387520), (84, 373680), (90, 348768), (96, 326970), (105, 298944), (108, 290640), (112, 280260), (120, 261576), (126, 249120), (135, 232512), (140, 224208), (144, 217980), (160, 196182), (162, 193760), (168, 186840), (173, 181440), (180, 174384), (189, 166080), (192, 163485), (210, 149472), (216, 145320), (224, 140130), (240, 130788), (252, 124560), (270, 116256), (280, 112104), (288, 108990), (315, 99648), (320, 98091), (324, 96880), (336, 93420), (346, 90720), (360, 87192), (378, 83040), (405, 77504), (420, 74736), (432, 72660), (448, 70065), (480, 65394), (504, 62280), (519, 60480), (540, 58128), (560, 56052), (567, 55360), (576, 54495), (630, 49824), (648, 48440), (672, 46710), (692, 45360), (720, 43596), (756, 41520), (810, 38752), (840, 37368), (864, 36330), (865, 36288), (945, 33216), (960, 32697), (1008, 31140), (1038, 30240), (1080, 29064), (1120, 28026), (1134, 27680), (1211, 25920), (1260, 24912), (1296, 24220), (1344, 23355), (1384, 22680), (1440, 21798), (1512, 20760), (1557, 20160), (1620, 19376), (1680, 18684), (1728, 18165), (1730, 18144), (1890, 16608), (2016, 15570), (2076, 15120), (2160, 14532), (2240, 14013), (2268, 13840), (2422, 12960), (2520, 12456), (2592, 12110), (2595, 12096), (2768, 11340), (2835, 11072), (2880, 10899), (3024, 10380), (3114, 10080), (3240, 9688), (3360, 9342), (3460, 9072), (3633, 8640), (3780, 8304), (4032, 7785), (4152, 7560), (4320, 7266), (4536, 6920), (4671, 6720), (4844, 6480), (5040, 6228), (5184, 6055), (5190, 6048), (5536, 5670)]