81768816

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:303

約数の個数: 120

約数和(自身を含む): 238898400

約数和(自身を除く): 157129584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 103, 111, 144, 148, 149, 206, 222, 296, 298, 309, 333, 412, 444, 447, 592, 596, 618, 666, 824, 888, 894, 927, 1192, 1236, 1332, 1341, 1648, 1776, 1788, 1854, 2384, 2472, 2664, 2682, 3576, 3708, 3811, 4944, 5328, 5364, 5513, 7152, 7416, 7622, 10728, 11026, 11433, 14832, 15244, 15347, 16539, 21456, 22052, 22866, 30488, 30694, 33078, 34299, 44104, 45732, 46041, 49617, 60976, 61388, 66156, 68598, 88208, 91464, 92082, 99234, 122776, 132312, 137196, 138123, 182928, 184164, 198468, 245552, 264624, 274392, 276246, 368328, 396936, 548784, 552492, 567839, 736656, 793872, 1104984, 1135678, 1703517, 2209968, 2271356, 3407034, 4542712, 5110551, 6814068, 9085424, 10221102, 13628136, 20442204, 27256272, 40884408, 81768816]

約数ペア:

[(1, 81768816), (2, 40884408), (3, 27256272), (4, 20442204), (6, 13628136), (8, 10221102), (9, 9085424), (12, 6814068), (16, 5110551), (18, 4542712), (24, 3407034), (36, 2271356), (37, 2209968), (48, 1703517), (72, 1135678), (74, 1104984), (103, 793872), (111, 736656), (144, 567839), (148, 552492), (149, 548784), (206, 396936), (222, 368328), (296, 276246), (298, 274392), (309, 264624), (333, 245552), (412, 198468), (444, 184164), (447, 182928), (592, 138123), (596, 137196), (618, 132312), (666, 122776), (824, 99234), (888, 92082), (894, 91464), (927, 88208), (1192, 68598), (1236, 66156), (1332, 61388), (1341, 60976), (1648, 49617), (1776, 46041), (1788, 45732), (1854, 44104), (2384, 34299), (2472, 33078), (2664, 30694), (2682, 30488), (3576, 22866), (3708, 22052), (3811, 21456), (4944, 16539), (5328, 15347), (5364, 15244), (5513, 14832), (7152, 11433), (7416, 11026), (7622, 10728)]