251116631680

素因数分解:

$2^7\times 5^1\times {\mathrm{353}}^1\times {\mathrm{857}}^1\times {\mathrm{1297}}^1$

素因数の和:2526

約数の個数: 128

約数和(自身を含む): 603193528080

約数和(自身を除く): 352076896400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 353, 640, 706, 857, 1297, 1412, 1714, 1765, 2594, 2824, 3428, 3530, 4285, 5188, 5648, 6485, 6856, 7060, 8570, 10376, 11296, 12970, 13712, 14120, 17140, 20752, 22592, 25940, 27424, 28240, 34280, 41504, 45184, 51880, 54848, 56480, 68560, 83008, 103760, 109696, 112960, 137120, 166016, 207520, 225920, 274240, 302521, 415040, 457841, 548480, 605042, 830080, 915682, 1111529, 1210084, 1512605, 1831364, 2223058, 2289205, 2420168, 3025210, 3662728, 4446116, 4578410, 4840336, 5557645, 6050420, 7325456, 8892232, 9156820, 9680672, 11115290, 12100840, 14650912, 17784464, 18313640, 19361344, 22230580, 24201680, 29301824, 35568928, 36627280, 38722688, 44461160, 48403360, 58603648, 71137856, 73254560, 88922320, 96806720, 142275712, 146509120, 177844640, 193613440, 293018240, 355689280, 392369737, 711378560, 784739474, 1569478948, 1961848685, 3138957896, 3923697370, 6277915792, 7847394740, 12555831584, 15694789480, 25111663168, 31389578960, 50223326336, 62779157920, 125558315840, 251116631680]

約数ペア:

[(1, 251116631680), (2, 125558315840), (4, 62779157920), (5, 50223326336), (8, 31389578960), (10, 25111663168), (16, 15694789480), (20, 12555831584), (32, 7847394740), (40, 6277915792), (64, 3923697370), (80, 3138957896), (128, 1961848685), (160, 1569478948), (320, 784739474), (353, 711378560), (640, 392369737), (706, 355689280), (857, 293018240), (1297, 193613440), (1412, 177844640), (1714, 146509120), (1765, 142275712), (2594, 96806720), (2824, 88922320), (3428, 73254560), (3530, 71137856), (4285, 58603648), (5188, 48403360), (5648, 44461160), (6485, 38722688), (6856, 36627280), (7060, 35568928), (8570, 29301824), (10376, 24201680), (11296, 22230580), (12970, 19361344), (13712, 18313640), (14120, 17784464), (17140, 14650912), (20752, 12100840), (22592, 11115290), (25940, 9680672), (27424, 9156820), (28240, 8892232), (34280, 7325456), (41504, 6050420), (45184, 5557645), (51880, 4840336), (54848, 4578410), (56480, 4446116), (68560, 3662728), (83008, 3025210), (103760, 2420168), (109696, 2289205), (112960, 2223058), (137120, 1831364), (166016, 1512605), (207520, 1210084), (225920, 1111529), (274240, 915682), (302521, 830080), (415040, 605042), (457841, 548480)]