81097120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:462

約数の個数: 96

約数和(自身を含む): 208631808

約数和(自身を除く): 127534688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 127, 130, 160, 208, 254, 260, 307, 416, 508, 520, 614, 635, 1016, 1040, 1228, 1270, 1535, 1651, 2032, 2080, 2456, 2540, 3070, 3302, 3991, 4064, 4912, 5080, 6140, 6604, 7982, 8255, 9824, 10160, 12280, 13208, 15964, 16510, 19955, 20320, 24560, 26416, 31928, 33020, 38989, 39910, 49120, 52832, 63856, 66040, 77978, 79820, 127712, 132080, 155956, 159640, 194945, 264160, 311912, 319280, 389890, 506857, 623824, 638560, 779780, 1013714, 1247648, 1559560, 2027428, 2534285, 3119120, 4054856, 5068570, 6238240, 8109712, 10137140, 16219424, 20274280, 40548560, 81097120]

約数ペア:

[(1, 81097120), (2, 40548560), (4, 20274280), (5, 16219424), (8, 10137140), (10, 8109712), (13, 6238240), (16, 5068570), (20, 4054856), (26, 3119120), (32, 2534285), (40, 2027428), (52, 1559560), (65, 1247648), (80, 1013714), (104, 779780), (127, 638560), (130, 623824), (160, 506857), (208, 389890), (254, 319280), (260, 311912), (307, 264160), (416, 194945), (508, 159640), (520, 155956), (614, 132080), (635, 127712), (1016, 79820), (1040, 77978), (1228, 66040), (1270, 63856), (1535, 52832), (1651, 49120), (2032, 39910), (2080, 38989), (2456, 33020), (2540, 31928), (3070, 26416), (3302, 24560), (3991, 20320), (4064, 19955), (4912, 16510), (5080, 15964), (6140, 13208), (6604, 12280), (7982, 10160), (8255, 9824)]