68486309.000000000

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{27919}}^1$

素因数の和:27945

約数の個数: 120

約数和(自身を含む): 540084480

約数和(自身を除く): 399372720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 27919, 55838, 83757, 111676, 139595, 167514, 195433, 223352, 251271, 279190, 335028, 390866, 418785, 446704, 502542, 558380, 586299, 670056, 781732, 837570, 977165, 1005084, 1116760, 1172598, 1256355, 1340112, 1563464, 1675140, 1758897, 1954330, 2010168, 2233520, 2345196, 2512710, 2931495, 3126928, 3350280, 3517794, 3908660, 4020336, 4690392, 5025420, 5862990, 6700560, 7035588, 7817320, 8794485, 9380784, 10050840, 11725980, 14071176, 15634640, 17588970, 20101680, 23451960, 28142352, 35177940, 46903920, 70355880, 140711760]

約数ペア:

[(1, 140711760), (2, 70355880), (3, 46903920), (4, 35177940), (5, 28142352), (6, 23451960), (7, 20101680), (8, 17588970), (9, 15634640), (10, 14071176), (12, 11725980), (14, 10050840), (15, 9380784), (16, 8794485), (18, 7817320), (20, 7035588), (21, 6700560), (24, 5862990), (28, 5025420), (30, 4690392), (35, 4020336), (36, 3908660), (40, 3517794), (42, 3350280), (45, 3126928), (48, 2931495), (56, 2512710), (60, 2345196), (63, 2233520), (70, 2010168), (72, 1954330), (80, 1758897), (84, 1675140), (90, 1563464), (105, 1340112), (112, 1256355), (120, 1172598), (126, 1116760), (140, 1005084), (144, 977165), (168, 837570), (180, 781732), (210, 670056), (240, 586299), (252, 558380), (280, 502542), (315, 446704), (336, 418785), (360, 390866), (420, 335028), (504, 279190), (560, 251271), (630, 223352), (720, 195433), (840, 167514), (1008, 139595), (1260, 111676), (1680, 83757), (2520, 55838), (5040, 27919)]