1297553920

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:470

約数の個数: 160

約数和(自身を含む): 3387783168

約数和(自身を除く): 2090229248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 128, 130, 160, 208, 254, 256, 260, 307, 320, 416, 508, 512, 520, 614, 635, 640, 832, 1016, 1040, 1228, 1270, 1280, 1535, 1651, 1664, 2032, 2080, 2456, 2540, 2560, 3070, 3302, 3328, 3991, 4064, 4160, 4912, 5080, 6140, 6604, 6656, 7982, 8128, 8255, 8320, 9824, 10160, 12280, 13208, 15964, 16256, 16510, 16640, 19648, 19955, 20320, 24560, 26416, 31928, 32512, 33020, 33280, 38989, 39296, 39910, 40640, 49120, 52832, 63856, 65024, 66040, 77978, 78592, 79820, 81280, 98240, 105664, 127712, 132080, 155956, 157184, 159640, 162560, 194945, 196480, 211328, 255424, 264160, 311912, 319280, 325120, 389890, 392960, 422656, 506857, 510848, 528320, 623824, 638560, 779780, 785920, 845312, 1013714, 1021696, 1056640, 1247648, 1277120, 1559560, 2027428, 2043392, 2113280, 2495296, 2534285, 2554240, 3119120, 4054856, 4226560, 4990592, 5068570, 5108480, 6238240, 8109712, 9981184, 10137140, 10216960, 12476480, 16219424, 19962368, 20274280, 24952960, 32438848, 40548560, 49905920, 64877696, 81097120, 99811840, 129755392, 162194240, 259510784, 324388480, 648776960, 1297553920]

約数ペア:

[(1, 1297553920), (2, 648776960), (4, 324388480), (5, 259510784), (8, 162194240), (10, 129755392), (13, 99811840), (16, 81097120), (20, 64877696), (26, 49905920), (32, 40548560), (40, 32438848), (52, 24952960), (64, 20274280), (65, 19962368), (80, 16219424), (104, 12476480), (127, 10216960), (128, 10137140), (130, 9981184), (160, 8109712), (208, 6238240), (254, 5108480), (256, 5068570), (260, 4990592), (307, 4226560), (320, 4054856), (416, 3119120), (508, 2554240), (512, 2534285), (520, 2495296), (614, 2113280), (635, 2043392), (640, 2027428), (832, 1559560), (1016, 1277120), (1040, 1247648), (1228, 1056640), (1270, 1021696), (1280, 1013714), (1535, 845312), (1651, 785920), (1664, 779780), (2032, 638560), (2080, 623824), (2456, 528320), (2540, 510848), (2560, 506857), (3070, 422656), (3302, 392960), (3328, 389890), (3991, 325120), (4064, 319280), (4160, 311912), (4912, 264160), (5080, 255424), (6140, 211328), (6604, 196480), (6656, 194945), (7982, 162560), (8128, 159640), (8255, 157184), (8320, 155956), (9824, 132080), (10160, 127712), (12280, 105664), (13208, 98240), (15964, 81280), (16256, 79820), (16510, 78592), (16640, 77978), (19648, 66040), (19955, 65024), (20320, 63856), (24560, 52832), (26416, 49120), (31928, 40640), (32512, 39910), (33020, 39296), (33280, 38989)]