81215827560

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1696237}}^1$

素因数の和:1696280

約数の個数: 192

約数和(自身を含む): 317535753600

約数和(自身を除く): 236319926040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 252, 266, 280, 285, 315, 342, 360, 380, 399, 420, 456, 504, 532, 570, 630, 665, 684, 760, 798, 840, 855, 1064, 1140, 1197, 1260, 1330, 1368, 1596, 1710, 1995, 2280, 2394, 2520, 2660, 3192, 3420, 3990, 4788, 5320, 5985, 6840, 7980, 9576, 11970, 15960, 23940, 47880, 1696237, 3392474, 5088711, 6784948, 8481185, 10177422, 11873659, 13569896, 15266133, 16962370, 20354844, 23747318, 25443555, 30532266, 32228503, 33924740, 35620977, 40709688, 47494636, 50887110, 59368295, 61064532, 64457006, 67849480, 71241954, 76330665, 94989272, 96685509, 101774220, 106862931, 118736590, 122129064, 128914012, 142483908, 152661330, 161142515, 178104885, 193371018, 203548440, 213725862, 225599521, 237473180, 257828024, 284967816, 290056527, 305322660, 322285030, 356209770, 386742036, 427451724, 451199042, 474946360, 483427545, 534314655, 580113054, 610645320, 644570060, 676798563, 712419540, 773484072, 854903448, 902398084, 966855090, 1068629310, 1127997605, 1160226108, 1289140120, 1353597126, 1424839080, 1450282635, 1804796168, 1933710180, 2030395689, 2137258620, 2255995210, 2320452216, 2707194252, 2900565270, 3383992815, 3867420360, 4060791378, 4274517240, 4511990420, 5414388504, 5801130540, 6767985630, 8121582756, 9023980840, 10151978445, 11602261080, 13535971260, 16243165512, 20303956890, 27071942520, 40607913780, 81215827560]

約数ペア:

[(1, 81215827560), (2, 40607913780), (3, 27071942520), (4, 20303956890), (5, 16243165512), (6, 13535971260), (7, 11602261080), (8, 10151978445), (9, 9023980840), (10, 8121582756), (12, 6767985630), (14, 5801130540), (15, 5414388504), (18, 4511990420), (19, 4274517240), (20, 4060791378), (21, 3867420360), (24, 3383992815), (28, 2900565270), (30, 2707194252), (35, 2320452216), (36, 2255995210), (38, 2137258620), (40, 2030395689), (42, 1933710180), (45, 1804796168), (56, 1450282635), (57, 1424839080), (60, 1353597126), (63, 1289140120), (70, 1160226108), (72, 1127997605), (76, 1068629310), (84, 966855090), (90, 902398084), (95, 854903448), (105, 773484072), (114, 712419540), (120, 676798563), (126, 644570060), (133, 610645320), (140, 580113054), (152, 534314655), (168, 483427545), (171, 474946360), (180, 451199042), (190, 427451724), (210, 386742036), (228, 356209770), (252, 322285030), (266, 305322660), (280, 290056527), (285, 284967816), (315, 257828024), (342, 237473180), (360, 225599521), (380, 213725862), (399, 203548440), (420, 193371018), (456, 178104885), (504, 161142515), (532, 152661330), (570, 142483908), (630, 128914012), (665, 122129064), (684, 118736590), (760, 106862931), (798, 101774220), (840, 96685509), (855, 94989272), (1064, 76330665), (1140, 71241954), (1197, 67849480), (1260, 64457006), (1330, 61064532), (1368, 59368295), (1596, 50887110), (1710, 47494636), (1995, 40709688), (2280, 35620977), (2394, 33924740), (2520, 32228503), (2660, 30532266), (3192, 25443555), (3420, 23747318), (3990, 20354844), (4788, 16962370), (5320, 15266133), (5985, 13569896), (6840, 11873659), (7980, 10177422), (9576, 8481185), (11970, 6784948), (15960, 5088711), (23940, 3392474), (47880, 1696237)]