81666960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1901}}^1$

素因数の和:2096

約数の個数: 80

約数和(自身を含む): 254715840

約数和(自身を除く): 173048880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 179, 240, 358, 537, 716, 895, 1074, 1432, 1790, 1901, 2148, 2685, 2864, 3580, 3802, 4296, 5370, 5703, 7160, 7604, 8592, 9505, 10740, 11406, 14320, 15208, 19010, 21480, 22812, 28515, 30416, 38020, 42960, 45624, 57030, 76040, 91248, 114060, 152080, 228120, 340279, 456240, 680558, 1020837, 1361116, 1701395, 2041674, 2722232, 3402790, 4083348, 5104185, 5444464, 6805580, 8166696, 10208370, 13611160, 16333392, 20416740, 27222320, 40833480, 81666960]

約数ペア:

[(1, 81666960), (2, 40833480), (3, 27222320), (4, 20416740), (5, 16333392), (6, 13611160), (8, 10208370), (10, 8166696), (12, 6805580), (15, 5444464), (16, 5104185), (20, 4083348), (24, 3402790), (30, 2722232), (40, 2041674), (48, 1701395), (60, 1361116), (80, 1020837), (120, 680558), (179, 456240), (240, 340279), (358, 228120), (537, 152080), (716, 114060), (895, 91248), (1074, 76040), (1432, 57030), (1790, 45624), (1901, 42960), (2148, 38020), (2685, 30416), (2864, 28515), (3580, 22812), (3802, 21480), (4296, 19010), (5370, 15208), (5703, 14320), (7160, 11406), (7604, 10740), (8592, 9505)]