81565440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1931}}^1$

素因数の和:1966

約数の個数: 144

約数和(自身を含む): 284328576

約数和(自身を除く): 202763136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 768, 880, 960, 1056, 1280, 1320, 1408, 1760, 1920, 1931, 2112, 2640, 2816, 3520, 3840, 3862, 4224, 5280, 5793, 7040, 7724, 8448, 9655, 10560, 11586, 14080, 15448, 19310, 21120, 21241, 23172, 28965, 30896, 38620, 42240, 42482, 46344, 57930, 61792, 63723, 77240, 84964, 92688, 106205, 115860, 123584, 127446, 154480, 169928, 185376, 212410, 231720, 247168, 254892, 308960, 318615, 339856, 370752, 424820, 463440, 494336, 509784, 617920, 637230, 679712, 741504, 849640, 926880, 1019568, 1235840, 1274460, 1359424, 1483008, 1699280, 1853760, 2039136, 2471680, 2548920, 2718848, 3398560, 3707520, 4078272, 5097840, 5437696, 6797120, 7415040, 8156544, 10195680, 13594240, 16313088, 20391360, 27188480, 40782720, 81565440]

約数ペア:

[(1, 81565440), (2, 40782720), (3, 27188480), (4, 20391360), (5, 16313088), (6, 13594240), (8, 10195680), (10, 8156544), (11, 7415040), (12, 6797120), (15, 5437696), (16, 5097840), (20, 4078272), (22, 3707520), (24, 3398560), (30, 2718848), (32, 2548920), (33, 2471680), (40, 2039136), (44, 1853760), (48, 1699280), (55, 1483008), (60, 1359424), (64, 1274460), (66, 1235840), (80, 1019568), (88, 926880), (96, 849640), (110, 741504), (120, 679712), (128, 637230), (132, 617920), (160, 509784), (165, 494336), (176, 463440), (192, 424820), (220, 370752), (240, 339856), (256, 318615), (264, 308960), (320, 254892), (330, 247168), (352, 231720), (384, 212410), (440, 185376), (480, 169928), (528, 154480), (640, 127446), (660, 123584), (704, 115860), (768, 106205), (880, 92688), (960, 84964), (1056, 77240), (1280, 63723), (1320, 61792), (1408, 57930), (1760, 46344), (1920, 42482), (1931, 42240), (2112, 38620), (2640, 30896), (2816, 28965), (3520, 23172), (3840, 21241), (3862, 21120), (4224, 19310), (5280, 15448), (5793, 14080), (7040, 11586), (7724, 10560), (8448, 9655)]