81969267924

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^2\times {\mathrm{883}}^1\times {\mathrm{2381}}^1$

素因数の和:3315

約数の個数: 144

約数和(自身を含む): 224634795840

約数和(自身を除く): 142665527916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 361, 513, 684, 722, 883, 1026, 1083, 1444, 1766, 2052, 2166, 2381, 2649, 3249, 3532, 4332, 4762, 5298, 6498, 7143, 7947, 9524, 9747, 10596, 12996, 14286, 15894, 16777, 19494, 21429, 23841, 28572, 31788, 33554, 38988, 42858, 45239, 47682, 50331, 64287, 67108, 85716, 90478, 95364, 100662, 128574, 135717, 150993, 180956, 201324, 257148, 271434, 301986, 318763, 407151, 452979, 542868, 603972, 637526, 814302, 859541, 905958, 956289, 1221453, 1275052, 1628604, 1719082, 1811916, 1912578, 2102423, 2442906, 2578623, 2868867, 3438164, 3825156, 4204846, 4885812, 5157246, 5737734, 6307269, 7735869, 8409692, 8606601, 10314492, 11475468, 12614538, 15471738, 17213202, 18921807, 23207607, 25229076, 30943476, 34426404, 37843614, 39946037, 46415214, 56765421, 75687228, 79892074, 92830428, 113530842, 119838111, 159784148, 227061684, 239676222, 359514333, 479352444, 719028666, 758974703, 1078542999, 1438057332, 1517949406, 2157085998, 2276924109, 3035898812, 4314171996, 4553848218, 6830772327, 9107696436, 13661544654, 20492316981, 27323089308, 40984633962, 81969267924]

約数ペア:

[(1, 81969267924), (2, 40984633962), (3, 27323089308), (4, 20492316981), (6, 13661544654), (9, 9107696436), (12, 6830772327), (18, 4553848218), (19, 4314171996), (27, 3035898812), (36, 2276924109), (38, 2157085998), (54, 1517949406), (57, 1438057332), (76, 1078542999), (108, 758974703), (114, 719028666), (171, 479352444), (228, 359514333), (342, 239676222), (361, 227061684), (513, 159784148), (684, 119838111), (722, 113530842), (883, 92830428), (1026, 79892074), (1083, 75687228), (1444, 56765421), (1766, 46415214), (2052, 39946037), (2166, 37843614), (2381, 34426404), (2649, 30943476), (3249, 25229076), (3532, 23207607), (4332, 18921807), (4762, 17213202), (5298, 15471738), (6498, 12614538), (7143, 11475468), (7947, 10314492), (9524, 8606601), (9747, 8409692), (10596, 7735869), (12996, 6307269), (14286, 5737734), (15894, 5157246), (16777, 4885812), (19494, 4204846), (21429, 3825156), (23841, 3438164), (28572, 2868867), (31788, 2578623), (33554, 2442906), (38988, 2102423), (42858, 1912578), (45239, 1811916), (47682, 1719082), (50331, 1628604), (64287, 1275052), (67108, 1221453), (85716, 956289), (90478, 905958), (95364, 859541), (100662, 814302), (128574, 637526), (135717, 603972), (150993, 542868), (180956, 452979), (201324, 407151), (257148, 318763), (271434, 301986)]