857793560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:601

約数の個数: 128

約数和(自身を含む): 2167603200

約数和(自身を除く): 1309809640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 127, 130, 155, 248, 254, 260, 310, 403, 419, 508, 520, 620, 635, 806, 838, 1016, 1240, 1270, 1612, 1651, 1676, 2015, 2095, 2540, 3224, 3302, 3352, 3937, 4030, 4190, 5080, 5447, 6604, 7874, 8060, 8255, 8380, 10894, 12989, 13208, 15748, 16120, 16510, 16760, 19685, 21788, 25978, 27235, 31496, 33020, 39370, 43576, 51181, 51956, 53213, 54470, 64945, 66040, 78740, 102362, 103912, 106426, 108940, 129890, 157480, 168857, 204724, 212852, 217880, 255905, 259780, 266065, 337714, 409448, 425704, 511810, 519560, 532130, 675428, 691769, 844285, 1023620, 1064260, 1350856, 1383538, 1649603, 1688570, 2047240, 2128520, 2767076, 3299206, 3377140, 3458845, 5534152, 6598412, 6754280, 6917690, 8248015, 13196824, 13835380, 16496030, 21444839, 27670760, 32992060, 42889678, 65984120, 85779356, 107224195, 171558712, 214448390, 428896780, 857793560]

約数ペア:

[(1, 857793560), (2, 428896780), (4, 214448390), (5, 171558712), (8, 107224195), (10, 85779356), (13, 65984120), (20, 42889678), (26, 32992060), (31, 27670760), (40, 21444839), (52, 16496030), (62, 13835380), (65, 13196824), (104, 8248015), (124, 6917690), (127, 6754280), (130, 6598412), (155, 5534152), (248, 3458845), (254, 3377140), (260, 3299206), (310, 2767076), (403, 2128520), (419, 2047240), (508, 1688570), (520, 1649603), (620, 1383538), (635, 1350856), (806, 1064260), (838, 1023620), (1016, 844285), (1240, 691769), (1270, 675428), (1612, 532130), (1651, 519560), (1676, 511810), (2015, 425704), (2095, 409448), (2540, 337714), (3224, 266065), (3302, 259780), (3352, 255905), (3937, 217880), (4030, 212852), (4190, 204724), (5080, 168857), (5447, 157480), (6604, 129890), (7874, 108940), (8060, 106426), (8255, 103912), (8380, 102362), (10894, 78740), (12989, 66040), (13208, 64945), (15748, 54470), (16120, 53213), (16510, 51956), (16760, 51181), (19685, 43576), (21788, 39370), (25978, 33020), (27235, 31496)]