2981305440

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{499}}^1$

素因数の和:987

約数の個数: 240

約数和(自身を含む): 10565478000

約数和(自身を除く): 7584172560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 461, 480, 499, 540, 648, 720, 810, 864, 922, 998, 1080, 1296, 1383, 1440, 1497, 1620, 1844, 1996, 2160, 2305, 2495, 2592, 2766, 2994, 3240, 3688, 3992, 4149, 4320, 4491, 4610, 4990, 5532, 5988, 6480, 6915, 7376, 7485, 7984, 8298, 8982, 9220, 9980, 11064, 11976, 12447, 12960, 13473, 13830, 14752, 14970, 15968, 16596, 17964, 18440, 19960, 20745, 22128, 22455, 23952, 24894, 26946, 27660, 29940, 33192, 35928, 36880, 37341, 39920, 40419, 41490, 44256, 44910, 47904, 49788, 53892, 55320, 59880, 62235, 66384, 67365, 71856, 73760, 74682, 79840, 80838, 82980, 89820, 99576, 107784, 110640, 119760, 124470, 132768, 134730, 143712, 149364, 161676, 165960, 179640, 186705, 199152, 202095, 215568, 221280, 230039, 239520, 248940, 269460, 298728, 323352, 331920, 359280, 373410, 398304, 404190, 431136, 460078, 497880, 538920, 597456, 646704, 663840, 690117, 718560, 746820, 808380, 920156, 995760, 1077840, 1150195, 1194912, 1293408, 1380234, 1493640, 1616760, 1840312, 1991520, 2070351, 2155680, 2300390, 2760468, 2987280, 3233520, 3450585, 3680624, 4140702, 4600780, 5520936, 5974560, 6211053, 6467040, 6901170, 7361248, 8281404, 9201560, 10351755, 11041872, 12422106, 13802340, 16562808, 18403120, 18633159, 20703510, 22083744, 24844212, 27604680, 31055265, 33125616, 36806240, 37266318, 41407020, 49688424, 55209360, 62110530, 66251232, 74532636, 82814040, 93165795, 99376848, 110418720, 124221060, 149065272, 165628080, 186331590, 198753696, 248442120, 298130544, 331256160, 372663180, 496884240, 596261088, 745326360, 993768480, 1490652720, 2981305440]

約数ペア:

[(1, 2981305440), (2, 1490652720), (3, 993768480), (4, 745326360), (5, 596261088), (6, 496884240), (8, 372663180), (9, 331256160), (10, 298130544), (12, 248442120), (15, 198753696), (16, 186331590), (18, 165628080), (20, 149065272), (24, 124221060), (27, 110418720), (30, 99376848), (32, 93165795), (36, 82814040), (40, 74532636), (45, 66251232), (48, 62110530), (54, 55209360), (60, 49688424), (72, 41407020), (80, 37266318), (81, 36806240), (90, 33125616), (96, 31055265), (108, 27604680), (120, 24844212), (135, 22083744), (144, 20703510), (160, 18633159), (162, 18403120), (180, 16562808), (216, 13802340), (240, 12422106), (270, 11041872), (288, 10351755), (324, 9201560), (360, 8281404), (405, 7361248), (432, 6901170), (461, 6467040), (480, 6211053), (499, 5974560), (540, 5520936), (648, 4600780), (720, 4140702), (810, 3680624), (864, 3450585), (922, 3233520), (998, 2987280), (1080, 2760468), (1296, 2300390), (1383, 2155680), (1440, 2070351), (1497, 1991520), (1620, 1840312), (1844, 1616760), (1996, 1493640), (2160, 1380234), (2305, 1293408), (2495, 1194912), (2592, 1150195), (2766, 1077840), (2994, 995760), (3240, 920156), (3688, 808380), (3992, 746820), (4149, 718560), (4320, 690117), (4491, 663840), (4610, 646704), (4990, 597456), (5532, 538920), (5988, 497880), (6480, 460078), (6915, 431136), (7376, 404190), (7485, 398304), (7984, 373410), (8298, 359280), (8982, 331920), (9220, 323352), (9980, 298728), (11064, 269460), (11976, 248940), (12447, 239520), (12960, 230039), (13473, 221280), (13830, 215568), (14752, 202095), (14970, 199152), (15968, 186705), (16596, 179640), (17964, 165960), (18440, 161676), (19960, 149364), (20745, 143712), (22128, 134730), (22455, 132768), (23952, 124470), (24894, 119760), (26946, 110640), (27660, 107784), (29940, 99576), (33192, 89820), (35928, 82980), (36880, 80838), (37341, 79840), (39920, 74682), (40419, 73760), (41490, 71856), (44256, 67365), (44910, 66384), (47904, 62235), (49788, 59880), (53892, 55320)]